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Obsolescence watch: 5310 Nuts And Washers

Stock numbers the government still buys whose supply base is thinning. Each one carries the reasons in plain words: the government's own terminal codes, approved sources whose SAM registration has expired, a single source, a registration about to lapse, years of solicitations without an award. A source we cannot verify in SAM is shown as unverified, never counted as gone. Rebuilt nightly; this list is from 2026-09-28.

220

High risk

4,993

Elevated

20,143

Watch

9,976

With an open solicitation now

150 stock numbers

NSNItemRiskWhySourcesLast awardOpen
5310-00-470-3003Washer,Spring TensiHigh 100AAC V: the government marks it a terminal item with no replacement; single approved source (registered in SAM); that source's SAM registration (30120) is due for renewal by Aug 14, 2026; solicited in the last 12 months; last award May 1977; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMay 1977$10.661 in 12 m
5310-00-298-4248Washer,FlatHigh 87AAC V: the government marks it a terminal item with no replacement; one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Aug 1975; AMSC C on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedAug 1975$0.331
5310-01-611-5860Nut,T,Drop-InElevated 56single approved source, and its SAM registration has expired; AMSC D on the latest solicitation: only approved sources may supply10 active · 1 expired · 0 unverifiedAug 2026$7.501
5310-01-501-0957Nut,Self-Locking,HexElevated 56single approved source, and its SAM registration has expired; AMSC D on the latest solicitation: only approved sources may supply10 active · 1 expired · 0 unverifiedJun 2026$7.501 in 12 m
5310-01-115-3435Washer,FlatElevated 55AAC V: the government marks it a terminal item with no replacement; solicited in the last 12 months; last award Aug 201650 active · 0 expired · 5 unverifiedAug 2016$0.021 in 12 m
5310-01-542-5929Nut,Plain,RoundElevated 50single approved source (registered in SAM); that source's SAM registration (97393) is due for renewal by Sep 17, 2026; solicited in the last 12 months; last award Sep 2021; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedSep 2021$82.601
5310-00-208-3897Nut,Plain,SquareElevated 50single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Nov 2022; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2022$2,385.001
5310-00-702-2228Nut,Plain,HexagonElevated 50single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Feb 2023; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 2023$94.001
5310-01-348-8385Washer,FlatElevated 50AAC V: the government marks it a terminal item with no replacement; AMSC R on the latest solicitation: only approved sources may supply43 active · 0 expired · 1 unverifiedAug 2026$0.521
5310-01-381-3189Nut,Self-Locking,HexElevated 50single approved source (registered in SAM); that source's SAM registration (99517) is due for renewal by Aug 14, 2026; solicited in the last 12 months; last award Mar 2021; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMar 2021$12.001
5310-01-425-6391Nut,Plain,HexagonElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (35795) is due for renewal by Oct 31, 2026; solicited in the last 12 months; last award Apr 2008; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedApr 2008$4.001
5310-01-503-8690Nut,SleeveElevated 50single approved source (registered in SAM); that source's SAM registration (13499) is due for renewal by Sep 29, 2026; solicited in the last 12 months; last award Jun 2017; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJun 2017$1,094.571
5310-01-579-4443Nut,Plain,PlateElevated 50AAC X: semi-active, no procurement planned; one active source in SAM out of 2 approved (0 expired, 1 unverified); AMSC B on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedAug 2024$2.792 in 12 m
5310-00-410-3014Washer,Spring TensioElevated 50single approved source (registered in SAM); that source's SAM registration (25140) is due for renewal by Sep 8, 2026; solicited in the last 12 months; last award Aug 2023; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2023$10.111 in 12 m
5310-00-514-9842Nut,Self-Locking,PlaElevated 50AAC V: the government marks it a terminal item with no replacement; AMSC C on the latest solicitation: only approved sources may supply95 active · 0 expired · 4 unverifiedMay 2026$20.001 in 12 m
5310-01-020-6441Washer,LockElevated 50single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Aug 2010; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2010$15.941 in 12 m
5310-01-022-0342Washer,FlatElevated 50one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (89305) is due for renewal by Nov 26, 2026; solicited in the last 12 months; last award Oct 2019; AMSC P on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedOct 2019$29.001 in 12 m
5310-01-043-0596Nut,Plain,OctagonElevated 50one active source in SAM out of 6 approved (0 expired, 5 unverified); that source's SAM registration (37558) is due for renewal by Nov 17, 2026; solicited in the last 12 months; last award Jul 2022; AMSC L on the latest solicitation: only approved sources may supply61 active · 0 expired · 5 unverifiedJul 2022$5.601 in 12 m
5310-01-115-3372Washer,FlatElevated 50one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; last award Dec 2019; AMSC C on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedDec 2019$0.651 in 12 m
5310-01-120-3835Washer,FlatElevated 50single approved source (registered in SAM); that source's SAM registration (08484) is due for renewal by Dec 11, 2026; solicited in the last 12 months; last award Apr 2006; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedApr 2006$23.501 in 12 m
5310-01-127-8544Washer,Spring TensioElevated 50one active source in SAM out of 4 approved (0 expired, 3 unverified); that source's SAM registration (82106) is due for renewal by Aug 20, 2026; solicited in the last 12 months; last award Aug 2017; AMSC C on the latest solicitation: only approved sources may supply41 active · 0 expired · 3 unverifiedAug 2017$16.951 in 12 m
5310-01-131-6773Washer,ConvexElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (82106) is due for renewal by Aug 20, 2026; solicited in the last 12 months; last award Jul 2023; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJul 2023$200.731 in 12 m
5310-01-223-5239Nut,Plain,Extended WElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (70236) is due for renewal by Dec 9, 2026; solicited in the last 12 months; last award Dec 2018; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedDec 2018$1,679.001 in 12 m
5310-01-293-9552Nut,Plain,HexagonElevated 50single approved source (registered in SAM); that source's SAM registration (3D6E9) is due for renewal by Oct 1, 2026; solicited in the last 12 months; last award May 2023; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMay 2023$110.471 in 12 m
5310-01-365-3183Washer,FlatElevated 50one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (U1604) is due for renewal by Nov 5, 2026; solicited in the last 12 months; last award Apr 2016; AMSC D on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedApr 2016$5.001 in 12 m
5310-01-407-1547Washer,BevelElevated 50single approved source (registered in SAM); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; last award May 2009; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMay 2009$0.591 in 12 m
5310-01-425-9617Washer,FlatElevated 50single approved source (registered in SAM); that source's SAM registration (35795) is due for renewal by Oct 31, 2026; solicited in the last 12 months; last award Feb 1998; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 1998$155.951 in 12 m
5310-01-454-3840Washer,FlatElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (31902) is due for renewal by Sep 2, 2026; solicited in the last 12 months; last award Mar 2023; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedMar 2023$174.531 in 12 m
5310-01-533-6163Nut,Plain,AssembledElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; last award Oct 2012; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedOct 2012$10.571 in 12 m
5310-01-542-3909Washer,FlatElevated 50single approved source (registered in SAM); that source's SAM registration (03847) is due for renewal by Nov 6, 2026; solicited in the last 12 months; last award Feb 2015; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 2015$10.001 in 12 m
5310-01-553-3078Nut,Self-Locking,HexElevated 50one active source in SAM out of 2 approved (1 expired, 0 unverified); that source's SAM registration (0Y3H3) is due for renewal by Nov 4, 2026; solicited in the last 12 months; last award May 2022; AMSC R on the latest solicitation: only approved sources may supply21 active · 1 expired · 0 unverifiedMay 2022$2.701 in 12 m
5310-01-566-1004Washer,FlatElevated 50one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; last award Dec 2022; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedDec 2022$0.681 in 12 m
5310-01-566-5729Nut,Plain,HexagonElevated 50single approved source (registered in SAM); that source's SAM registration (338X5) is due for renewal by Oct 1, 2026; solicited in the last 12 months; last award Mar 2018; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMar 2018$32.001 in 12 m
5310-01-588-6031Nut,Self-Locking,HexElevated 50single approved source (registered in SAM); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; last award Jan 2020; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJan 2020$0.501 in 12 m
5310-01-597-6030Nut,Plain,Slotted,HeElevated 50single approved source (registered in SAM); that source's SAM registration (0Y3H3) is due for renewal by Nov 4, 2026; solicited in the last 12 months; last award Oct 2021; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedOct 2021$2.471 in 12 m
5310-01-619-4516Nut,Plain,HexagonElevated 50one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (8FGX3) is due for renewal by Nov 26, 2026; solicited in the last 12 months; last award May 2021; AMSC D on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedMay 2021$739.781 in 12 m
5310-01-656-1888Washer,FlatElevated 43single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record2
5310-01-694-3285Nut Assembly,Self-LoElevated 43single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-590-7084Nut,Self-Locking,PlaElevated 43one active source in SAM out of 2 approved (1 expired, 0 unverified); that source's SAM registration (83014) is due for renewal by Sep 9, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply21 active · 1 expired · 0 unverifiednone on record1
5310-01-592-5244Nut,Plain,Extended WElevated 43single approved source (registered in SAM); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-656-7604Nut,Plain,RoundElevated 43single approved source (registered in SAM); that source's SAM registration (94861) is due for renewal by Aug 11, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-696-9539Washer,FlatElevated 43single approved source (registered in SAM); that source's SAM registration (44114) is due for renewal by Nov 13, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-729-4432Nut,Self-Locking,GaElevated 43single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-729-5951Nut,Self-Locking,GaElevated 43single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-737-8265Washer,SealElevated 43single approved source (registered in SAM); that source's SAM registration (27192) is due for renewal by Nov 17, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1
5310-01-423-7140Washer,FlatElevated 43every approved source we can verify in SAM has expired (1 of 2; 1 unverified); AMSC R on the latest solicitation: only approved sources may supply20 active · 1 expired · 1 unverifiedAug 2026$1,174.942 in 12 m
5310-00-116-2378Washer,KeywayElevated 43single approved source (registered in SAM); that source's SAM registration (77272) is due for renewal by Nov 12, 2026; solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-00-264-0574Nut,Plain,Extended WElevated 43single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-042-2789Nut,Plain,HexagonElevated 43single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-383-1582Washer,FlatElevated 43one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (35795) is due for renewal by Oct 31, 2026; solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiednone on record1 in 12 m
5310-01-542-2017Nut,Plain,HexagonElevated 43single approved source (registered in SAM); that source's SAM registration (3A054) is due for renewal by Sep 11, 2026; solicited in the last 12 months; no award in our record; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-553-3382Nut,Plain,HexagonElevated 43one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (8FGX3) is due for renewal by Nov 26, 2026; solicited in the last 12 months; no award in our record; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiednone on record1 in 12 m
5310-01-553-7130Washer,FlatElevated 43single approved source (registered in SAM); that source's SAM registration (0JKF0) is due for renewal by Dec 9, 2026; solicited in the last 12 months; no award in our record; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-594-0622Nut,Self-Locking,HexElevated 43single approved source (registered in SAM); that source's SAM registration (39428) is due for renewal by Sep 11, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-630-8285Nut,Plain,HexagonElevated 43one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (0U583) is due for renewal by Sep 9, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiednone on record1 in 12 m
5310-01-663-3692WasherElevated 43single approved source (registered in SAM); that source's SAM registration (86175) is due for renewal by Oct 31, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-700-3831Washer,LockElevated 43single approved source (registered in SAM); that source's SAM registration (54ZA4) is due for renewal by Nov 25, 2026; solicited in the last 12 months; no award in our record; AMSC B on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-702-6942Nut,Plain,BarrelElevated 43single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-714-3221Nut,Self-Locking,HexElevated 43single approved source (registered in SAM); that source's SAM registration (0JKF0) is due for renewal by Dec 9, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-732-0372Nut,Plain,HexagonElevated 43one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (0N4N5) is due for renewal by Oct 9, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiednone on record1 in 12 m
5310-01-130-1652Washer,FlatElevated 41AAC X: semi-active, no procurement planned; single approved source, SAM status unverified; AMSC L on the latest solicitation: only approved sources may supply10 active · 0 expired · 1 unverifiedAug 2026$560.001
5310-00-317-4645Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Nov 201711 active · 0 expired · 0 unverifiedNov 2017$0.631
5310-00-696-2639Washer,ConvexElevated 40single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Nov 201711 active · 0 expired · 0 unverifiedNov 2017$4.901
5310-00-815-7221Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award May 202111 active · 0 expired · 0 unverifiedMay 2021$37.591
5310-01-513-6593Washer,FlatElevated 40one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Nov 201821 active · 0 expired · 1 unverifiedNov 2018$0.161
5310-01-610-8881Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (0JKF0) is due for renewal by Dec 9, 2026; solicited in the last 12 months; last award Sep 202011 active · 0 expired · 0 unverifiedSep 2020$151.001
5310-00-468-7258Washer,FlatElevated 40one active source in SAM out of 5 approved (0 expired, 4 unverified); that source's SAM registration (0U583) is due for renewal by Sep 9, 2026; solicited in the last 12 months; last award Sep 202351 active · 0 expired · 4 unverifiedSep 2023$1.661 in 12 m
5310-00-982-4908Nut,Self-Locking,HeElevated 40AAC X: semi-active, no procurement planned; solicited in the last 12 months; last award Apr 2021227 active · 0 expired · 15 unverifiedApr 2021$29.001 in 12 m
5310-01-267-6342Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Jul 202011 active · 0 expired · 0 unverifiedJul 2020$4.851 in 12 m
5310-01-550-9548Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (10941) is due for renewal by Sep 23, 2026; solicited in the last 12 months; last award Mar 202311 active · 0 expired · 0 unverifiedMar 2023$278.001 in 12 m
5310-01-614-1048Nut,Self-Locking,ExtElevated 40single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award May 202211 active · 0 expired · 0 unverifiedMay 2022$77.001 in 12 m
5310-01-656-9850Nut,Plain,HexagonElevated 40single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Aug 202311 active · 0 expired · 0 unverifiedAug 2023$188.151 in 12 m
5310-01-675-4495Washer,FlatElevated 40single approved source (registered in SAM); that source's SAM registration (81205) is due for renewal by Nov 11, 2026; solicited in the last 12 months; last award Sep 201911 active · 0 expired · 0 unverifiedSep 2019$1.171 in 12 m
5310-01-597-3866Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2015; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2015$9.891
5310-00-918-4851Washer,KeyElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Apr 2019; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedApr 2019$79.851
5310-01-052-0742Washer,FlatElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Apr 2016; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedApr 2016$27.001
5310-01-091-8582Nut,Self-Locking,CliElevated 37one active source in SAM out of 4 approved (0 expired, 3 unverified); solicited in the last 12 months; last award Apr 2020; AMSC C on the latest solicitation: only approved sources may supply41 active · 0 expired · 3 unverifiedApr 2020$11.591
5310-01-124-6196WasherElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Feb 1984; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 1984$2.091
5310-01-133-9101Nut,Plain,HexagonElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Jan 2023; AMSC D on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedJan 2023$591.921
5310-01-179-9160Washer,FlatElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Nov 2022; AMSC D on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedNov 2022$15.761
5310-01-261-5229Washer,Shouldered AnElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2022$7.641
5310-01-266-9259Nut,StemElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Mar 2023; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMar 2023$2,360.001
5310-01-327-5701Nut,Self-Locking,HexElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Nov 2021; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedNov 2021$14.541
5310-01-397-0876Nut,Self-Locking,HexElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jun 2019; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJun 2019$137.111
5310-01-417-9008Nut,Plain,Extended WElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Oct 2006; AMSC L on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedOct 2006$342.531
5310-01-506-2968Washer,Spring TensioElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award May 2014; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedMay 2014$185.001
5310-01-543-8577Nut,Plain,PlateElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2021; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2021$30.001
5310-01-558-7227Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award May 2019; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedMay 2019$20.001
5310-01-596-5439Washer,LockElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Feb 2023; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 2023$55.351
5310-01-609-3079Nut,Plain,HexagonElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award May 2013; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedMay 2013$17.201
5310-01-616-1883Nut,Self-Locking,PlElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2022$16.861
5310-01-212-5225Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2022$389.342 in 12 m
5310-00-007-6542Washer,Spring TensioElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jan 2020; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJan 2020$14.891 in 12 m
5310-00-078-8588Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2018; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2018$7.601 in 12 m
5310-00-182-6787Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2017; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2017$8.431 in 12 m
5310-00-489-7182Washer,ShoulderedElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jul 2015; AMSC P on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJul 2015$950.461 in 12 m
5310-00-558-3307Washer,Spring TensioElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Oct 2017; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedOct 2017$5.391 in 12 m
5310-00-675-0130Nut,Plain,RoundElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2021; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2021$241.001 in 12 m
5310-00-913-8632Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Oct 2009; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedOct 2009$8.001 in 12 m
5310-00-988-7647Nut,Plain,RoundElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Feb 2021; AMSC P on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedFeb 2021$102.161 in 12 m
5310-01-065-6256Washer,Spring TensioElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Jun 2022; AMSC P on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedJun 2022$250.001 in 12 m
5310-01-067-8552Washer,KeyElevated 37one active source in SAM out of 4 approved (0 expired, 3 unverified); solicited in the last 12 months; last award Jun 2022; AMSC L on the latest solicitation: only approved sources may supply41 active · 0 expired · 3 unverifiedJun 2022$2.401 in 12 m
5310-01-099-9437Washer,LockElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Mar 1999; AMSC R on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedMar 1999$4.771 in 12 m
5310-01-102-1770LocknutElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Feb 2017; AMSC D on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedFeb 2017$2.101 in 12 m
5310-01-130-0199NutElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2022$1,325.001 in 12 m
5310-01-144-6114Washer,Spring TensiElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2012; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2012$21.501 in 12 m
5310-01-146-8023Washer,Spring TensioElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jan 1996; AMSC P on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJan 1996$5.001 in 12 m
5310-01-178-1946Washer,LockElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jan 2022; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJan 2022$16.001 in 12 m
5310-01-189-5710Washer,KeyElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Sep 2016; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedSep 2016$550.001 in 12 m
5310-01-204-2178Washer,LockElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jul 1990; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJul 1990$0.301 in 12 m
5310-01-206-3350Washer,Spring TensioElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2020; AMSC H on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2020$23.251 in 12 m
5310-01-208-8948Nut,Plain,HexagonElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Apr 2023; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedApr 2023$349.411 in 12 m
5310-01-224-6849Washer,LockElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2005; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2005$33.251 in 12 m
5310-01-237-2996Washer,LockElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Mar 2021; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedMar 2021$800.001 in 12 m
5310-01-268-8986Nut,Plain,HexagonElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 1998; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 1998$2.921 in 12 m
5310-01-302-6565Push On NutElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Oct 2018; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedOct 2018$102.801 in 12 m
5310-01-303-1632Nut,SleeveElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Sep 2018; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedSep 2018$81.471 in 12 m
5310-01-321-2441Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2021; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2021$0.631 in 12 m
5310-01-329-3929Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2019; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2019$0.881 in 12 m
5310-01-333-2716Nut,Self-Locking,WinElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Apr 2022; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedApr 2022$405.001 in 12 m
5310-01-361-9833Nut,Plain,RoundElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Oct 2017; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedOct 2017$195.481 in 12 m
5310-01-363-2832Washer,KeyElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2020; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2020$46.651 in 12 m
5310-01-363-4880Nut,Plain,HexagonElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award May 2016; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedMay 2016$315.821 in 12 m
5310-01-375-2154Nut,Plain,RoundElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jan 2010; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJan 2010$13.721 in 12 m
5310-01-400-3719Nut,Plain,HexagonElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Nov 2017; AMSC L on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedNov 2017$0.691 in 12 m
5310-01-437-4375Nut,Self-Locking,HexElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2020; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2020$89.631 in 12 m
5310-01-454-3171Washer,LockElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jan 2017; AMSC D on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJan 2017$0.281 in 12 m
5310-01-465-3650Washer,FlatElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Jun 2018; AMSC R on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedJun 2018$3.931 in 12 m
5310-01-475-2841Washer,SealElevated 37one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Sep 2017; AMSC C on the latest solicitation: only approved sources may supply21 active · 0 expired · 1 unverifiedSep 2017$1.551 in 12 m
5310-01-478-9028Nut,Self-Locking,HexElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2018; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2018$0.671 in 12 m
5310-01-537-9270Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Apr 2020; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedApr 2020$0.301 in 12 m
5310-01-546-5684Washer,Flat,AircrafElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jan 2023; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJan 2023$0.641 in 12 m
5310-01-547-4004Washer,Spring TensiElevated 37one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Jan 2019; AMSC L on the latest solicitation: only approved sources may supply31 active · 0 expired · 2 unverifiedJan 2019$6.801 in 12 m
5310-01-552-1776Nut Assembly,RetaineElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jul 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJul 2022$19.961 in 12 m
5310-01-558-7726Washer,LockElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2019; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2019$15.001 in 12 m
5310-01-567-0390Nut,Plain,SquareElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2022; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2022$23.571 in 12 m
5310-01-575-4173Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Apr 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedApr 2022$1.891 in 12 m
5310-01-576-6215Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2022; AMSC L on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2022$2.501 in 12 m
5310-01-576-9857Nut,Plain,HexagonElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2022; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2022$2.201 in 12 m
5310-01-577-0048Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2022; AMSC R on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedAug 2022$5.001 in 12 m
5310-01-596-7777Washer,BevelElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Jul 2018; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedJul 2018$6.991 in 12 m
5310-01-598-6539Nut,Plain,HexagonElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Apr 2022; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedApr 2022$0.941 in 12 m
5310-01-599-6220Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2021; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedNov 2021$16.081 in 12 m
5310-01-628-4915Nut,Plain,CastellatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Dec 2017; AMSC D on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedDec 2017$71.921 in 12 m
5310-01-643-0973Washer,FlatElevated 37single approved source (registered in SAM); solicited in the last 12 months; last award Oct 2015; AMSC C on the latest solicitation: only approved sources may supply11 active · 0 expired · 0 unverifiedOct 2015$0.191 in 12 m
5310-01-317-9027Washer,KeyElevated 35one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (79568) is due for renewal by Sep 4, 2026; solicited in the last 12 months; no award in our record21 active · 0 expired · 1 unverifiednone on record1
5310-01-600-1050Washer,FlatElevated 35single approved source (registered in SAM); that source's SAM registration (76301) is due for renewal by Nov 11, 2026; solicited in the last 12 months; no award in our record11 active · 0 expired · 0 unverifiednone on record2 in 12 m
5310-01-689-9549Washer,FlatElevated 35single approved source (registered in SAM); that source's SAM registration (51506) is due for renewal by Sep 26, 2026; solicited in the last 12 months; no award in our record11 active · 0 expired · 0 unverifiednone on record2 in 12 m
5310-01-683-1367Nut,Self-Locking,HeElevated 35single approved source (registered in SAM); that source's SAM registration (309D0) is due for renewal by Oct 6, 2026; solicited in the last 12 months; no award in our record11 active · 0 expired · 0 unverifiednone on record1 in 12 m
5310-01-723-2562Nut,Self-Locking,HeElevated 35single approved source (registered in SAM); that source's SAM registration (0Y3H3) is due for renewal by Nov 4, 2026; solicited in the last 12 months; no award in our record11 active · 0 expired · 0 unverifiednone on record1 in 12 m

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