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Obsolescence watch

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

By supply class

All classes ←
4820 Valves, Nonpowered 1286 · 13 high
5330 Packing And Gasket Materials 1036 · 12 high
5340 Hardware, Commercial 1209 · 7 high
1560 Airframe Structural Components 463 · 7 high
4730 Hose, Pipe, Tube, Lubrication, And Railing Fittings 845 · 6 high
5935 Connectors, Electrical 778 · 6 high
4710 Pipe, Tube And Rigid Tubing 271 · 5 high
6140 Batteries, Rechargeable 101 · 5 high
5306 Bolts 512 · 4 high
5365 Bushings, Rings, Shims, And Spacers 412 · 4 high
5995 Cable, Cord, And Wire Assemblies: Communication Equipment 307 · 4 high
5325 Fastening Devices 298 · 4 high
5360 Coil, Flat, Leaf, And Wire Springs 283 · 4 high
4810 Valves, Powered 279 · 4 high
5998 Electrical And Electronic Assemblies, Boards, Cards, And Associated Hardware 190 · 4 high
4930 Lubrication And Fuel Dispensing Equipment 50 · 4 high
8465 Individual Equipment 32 · 4 high
5305 Screws 893 · 3 high
1680 Miscellaneous Aircraft Accessories And Components 295 · 3 high
6130 Converters, Electrical, Nonrotating 127 · 3 high
4130 Refrigeration And Air Conditioning Components 121 · 3 high
5342 Hardware, Weapon System 115 · 3 high
5970 Electrical Insulators And Insulating Materials 111 · 3 high
5962 Microcircuits, Electronic 109 · 3 high
4310 Compressors And Vacuum Pumps 107 · 3 high
5310 Nuts And Washers 830 · 2 high
4720 Hose And Flexible Tubing 503 · 2 high
5930 Switches 461 · 2 high
3040 Miscellaneous Power Transmission Equipment 381 · 2 high
4320 Power And Hand Pumps 315 · 2 high

How the score is built

AAC V (terminal, no replacement) 40 · AAC Y 30 · AAC X 25 · single source whose SAM registration has expired 45 · every verifiable source expired 35 · one active source 15, and 10 more if its SAM renewal is due within 90 days · FLIS marks every source CAGE inactive 15 · solicited this year, last award 3+ years ago 15 (no award on record 10) · a restricted AMSC on the latest solicitation adds a quarter. High is 60 and up, Elevated 35, Watch 15.

Sources: FLIS reference and management data, SAM.gov entity registrations, DLA DIBBS solicitations and awards. Same list for every reader. Data, not advice.

53 stock numbers

NSN	Item	Risk	Why	Sources	Last award	Open
4030-01-255-6640	Shackle	Elevated 43	single approved source (registered in SAM); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-467-6935	Shackle	Elevated 43	single approved source (registered in SAM); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-660-6071	Shackle	Elevated 43	one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (93922) is due for renewal by Nov 19, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1
4030-01-633-3444	Shackle	Elevated 43	single approved source (registered in SAM); that source's SAM registration (46156) is due for renewal by Oct 15, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	2 in 12 m
4030-01-136-9045	Swaging Sleeve,Wire	Elevated 43	one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (76691) is due for renewal by Aug 22, 2026; solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-490-6181	Chain Fastener,Angle	Elevated 43	single approved source (registered in SAM); that source's SAM registration (11083) is due for renewal by Sep 5, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-658-1156	Swivel,Link And Jaw	Elevated 43	single approved source (registered in SAM); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-702-2959	Thimble,Rope	Elevated 43	single approved source (registered in SAM); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-703-4368	Chain Fastener,Flat	Elevated 43	one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-630-6986	Swivel,Eye And Link	Elevated 35	single approved source (registered in SAM); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record	11 active · 0 expired · 0 unverified	none on record	1
4030-01-048-4044	Shackle Assy	Elevated 35	one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (81337) is due for renewal by Sep 30, 2026; solicited in the last 12 months; no award in our record	31 active · 0 expired · 2 unverified	none on record	1
4030-01-048-6546	Shackle Anchor	Elevated 35	one active source in SAM out of 4 approved (0 expired, 3 unverified); that source's SAM registration (82005) is due for renewal by Nov 19, 2026; solicited in the last 12 months; no award in our record	41 active · 0 expired · 3 unverified	none on record	1
4030-01-244-9832	Thimble,Rope	Elevated 35	one 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; no award in our record	21 active · 0 expired · 1 unverified	none on record	1
4030-01-477-0508	Snap Link,Cargo	Elevated 35	one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (098P0) is due for renewal by Sep 5, 2026; solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1
4030-00-060-7042	Swivel,Link And Link	Elevated 35	one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-00-369-3973	Shackle	Elevated 35	one active source in SAM out of 4 approved (0 expired, 3 unverified); that source's SAM registration (75535) is due for renewal by Dec 4, 2026; solicited in the last 12 months; no award in our record	41 active · 0 expired · 3 unverified	none on record	1 in 12 m
4030-01-495-8547	Shackle	Elevated 35	one 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; no award in our record	31 active · 0 expired · 2 unverified	none on record	1 in 12 m
4030-01-573-2426	Anchor,Guy	Elevated 35	single 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	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-00-767-6760	Coupling,Quick Disc	Watch 31	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1
4030-01-176-8032	Hook,Cargo	Watch 31	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1
4030-01-503-0447	Hook,Chain,S	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-601-8803	Swivel,Eye And Link	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-621-0666	Thimble,Rope	Watch 31	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1
4030-01-666-0433	Shackle	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-667-3880	Hook,Cargo	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-01-683-5545	Hook,Cargo	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1
4030-00-351-2237	Hook,Pelican	Watch 31	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-230-1529	Hook Assembly	Watch 31	one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; no award in our record; AMSC L on the latest solicitation: only approved sources may supply	31 active · 0 expired · 2 unverified	none on record	1 in 12 m
4030-01-508-1207	Hook,Cargo	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-592-6623	Clamp,Wire Rope,Bolt	Watch 31	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-612-9064	Shackle	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-665-9515	Hook,Cargo	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-667-0607	Hook,Cargo	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-710-7034	Stake,Guy	Watch 31	single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-01-606-0642	Hook,Hoist	Watch 25	one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; no award in our record	31 active · 0 expired · 2 unverified	none on record	2
4030-00-272-8835	Shackle	Watch 25	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1
4030-01-450-2496	Swivel And Link Asse	Watch 25	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1
4030-01-626-9037	Stake,Guy	Watch 25	single approved source (registered in SAM); solicited in the last 12 months; no award in our record	11 active · 0 expired · 0 unverified	none on record	1
4030-01-102-0850	Hook,Pelican	Watch 25	one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; no award in our record	31 active · 0 expired · 2 unverified	none on record	1 in 12 m
4030-01-391-2869	Ferrule,Wire Rope	Watch 25	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-488-6123	Wedge,Wire Rope Sock	Watch 25	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-621-0680	Swaging Sleeve,Wire	Watch 25	one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; no award in our record	21 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-683-0555	Swaging Sleeve,Wire	Watch 25	single approved source (registered in SAM); solicited in the last 12 months; no award in our record	11 active · 0 expired · 0 unverified	none on record	1 in 12 m
4030-00-373-0998	Shackle	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1
4030-01-561-0220	Shackle	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1
4030-00-262-2066	Plug,Locking,Detacha	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-00-266-7415	Hook,Pelican	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-00-286-2675	Shackle	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-00-286-2678	Shackle	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-00-684-3716	Thimble,Rope	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-245-4168	Swaging Sleeve,Wire	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-316-4428	Terminal,Wire Rope,S	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m
4030-01-589-0331	Ferrule,Wire Rope	Watch 18	single approved source, SAM status unverified; solicited in the last 12 months; no award in our record	10 active · 0 expired · 1 unverified	none on record	1 in 12 m

Have one of these on the shelf, or can you make it? List it free and the solicitation lands on your dashboard the morning it posts. Buyers: every NSN page shows the same read with the full source list.