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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 2026-09-29.
72 stock numbers at watch risk
| NSN | Item | Risk | Why | Sources | Last award | Open |
|---|---|---|---|---|---|---|
| 3010-01-419-0545 | Coupling,Shaft,Rigid | 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 |
| 3010-01-432-2688 | Coupling,Shaft,Flexi | 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 D on the latest solicitation: only approved sources may supply | 31 active · 0 expired · 2 unverified | none on record | 1 |
| 3010-01-533-6275 | Actuator,Electro-Mec | 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 |
| 3010-00-798-6775 | Clutch Half,Positive | Watch 31 | single approved source (registered in SAM); solicited in the last 12 months; no award in our record; AMSC P on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | none on record | 1 in 12 m |
| 3010-01-122-8275 | Bellows,Pressure | Watch 31 | one active source in SAM out of 3 approved (0 expired, 2 unverified); that source's SAM registration (15187) is due for renewal by Oct 14, 2026; AMSC D on the latest solicitation: only approved sources may supply | 31 active · 0 expired · 2 unverified | Mar 2026$5,798.29 | 1 in 12 m |
| 3010-01-425-0357 | Gearcase-Motor | Watch 31 | one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (0SG78) is due for renewal by Dec 9, 2026; AMSC L on the latest solicitation: only approved sources may supply | 21 active · 0 expired · 1 unverified | Jul 2026$3,208.28 | 1 in 12 m |
| 3010-01-454-2018 | Clutch Assembly,Fric | Watch 31 | single approved source (registered in SAM); that source's SAM registration (01551) is due for renewal by Nov 13, 2026; AMSC R on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Aug 2026$9,350.26 | 1 in 12 m |
| 3010-01-522-4066 | Actuator,Electromech | Watch 31 | single approved source (registered in SAM); that source's SAM registration (63600) is due for renewal by Nov 17, 2026; AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Jun 2026$16,168.00 | 1 in 12 m |
| 3010-01-523-7798 | Bellows,Pressure | Watch 31 | single approved source (registered in SAM); that source's SAM registration (11083) is due for renewal by Sep 5, 2026; AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Aug 2026$419.00 | 1 in 12 m |
| 3010-01-538-8165 | Actuator,Electro-Mec | Watch 31 | single approved source (registered in SAM); that source's SAM registration (63600) is due for renewal by Nov 17, 2026; AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Aug 2026$11,022.00 | 1 in 12 m |
| 3010-01-648-6469 | Actuator,Electro-Me | 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 |
| 3010-00-412-2358 | Insert,Flexible Cou | Watch 30 | one active source in SAM out of 4 approved (0 expired, 3 unverified); solicited in the last 12 months; last award Oct 1998 | 41 active · 0 expired · 3 unverified | Oct 1998$180.00 | 1 in 12 m |
| 3010-01-037-1754 | Housing,Clutch | Watch 30 | single approved source (registered in SAM); solicited in the last 12 months; last award Mar 2020 | 11 active · 0 expired · 0 unverified | Mar 2020$3,110.00 | 1 in 12 m |
| 3010-01-209-2139 | Coupling | Watch 30 | single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2015 | 11 active · 0 expired · 0 unverified | Nov 2015$2,410.90 | 1 in 12 m |
| 3010-01-469-2332 | Insert,Flexible Coup | Watch 30 | one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Aug 2015 | 21 active · 0 expired · 1 unverified | Aug 2015$10.12 | 1 in 12 m |
| 3010-01-199-5775 | Coupling,Holset | Watch 28 | single approved source, SAM status unverified; solicited in the last 12 months; last award Apr 1987; AMSC H on the latest solicitation: only approved sources may supply | 10 active · 0 expired · 1 unverified | Apr 1987$6,244.00 | 1 |
| 3010-01-523-4653 | Coupling Shaft Eleme | Watch 28 | single approved source, SAM status unverified; solicited in the last 12 months; last award May 2022; AMSC D on the latest solicitation: only approved sources may supply | 10 active · 0 expired · 1 unverified | May 2022$115.94 | 1 |
| 3010-01-439-4323 | Propeller Shaft With | Watch 28 | single approved source, SAM status unverified; solicited in the last 12 months; last award Mar 2022; AMSC D on the latest solicitation: only approved sources may supply | 10 active · 0 expired · 1 unverified | Mar 2022$986.00 | 1 in 12 m |
| 3010-01-352-9283 | Adapter,Drive Unit,A | Watch 25 | one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (08484) is due for renewal by Dec 11, 2026 | 21 active · 0 expired · 1 unverified | Dec 2025$230.09 | 1 |
| 3010-01-685-5164 | Gearbox Assembly,St | 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 |
| 3010-01-731-0053 | Universal Joint,Non | 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 |
| 3010-01-486-6778 | Universal Joint,Nonv | 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 | 3 in 12 m |
| 3010-00-928-2078 | Coupling,Shaft,Flexi | Watch 25 | one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (44114) is due for renewal by Nov 13, 2026 | 21 active · 0 expired · 1 unverified | May 2026$1,274.00 | 1 in 12 m |
| 3010-01-483-7686 | Coupling,Shaft,Rigi | 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 |
| 3010-01-647-2598 | Transmission,Mechani | 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 |
| 3010-01-718-0476 | Yoke,Universal Join | 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 |
| 3010-99-555-2040 | Universal Joint,Non | Watch 25 | no approved source on file in FLIS; solicited in the last 12 months; last award Nov 2016 | 00 active · 0 expired · 0 unverified | Nov 2016$731.90 | 1 in 12 m |
| 3010-01-340-6088 | Torque Limiter Assem | Watch 23 | single approved source, SAM status unverified; solicited in the last 12 months; last award Feb 2006 | 10 active · 0 expired · 1 unverified | Feb 2006$886.00 | 1 in 12 m |
| 3010-01-533-9892 | Clutch Assembly,Fric | Watch 23 | single approved source, SAM status unverified; solicited in the last 12 months; last award Jan 2015 | 10 active · 0 expired · 1 unverified | Jan 2015$1,660.00 | 1 in 12 m |
| 3010-01-572-5518 | Housing,Mechanical A | Watch 23 | single approved source, SAM status unverified; solicited in the last 12 months; last award Mar 2018 | 10 active · 0 expired · 1 unverified | Mar 2018$1,110.00 | 1 in 12 m |
| 3010-01-523-3204 | Gear Assembly,Speed | Watch 22 | single approved source, SAM status unverified; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply | 10 active · 0 expired · 1 unverified | none on record | 1 |
| 3010-01-732-4039 | Gear Assembly,Captur | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Mar 2026$11,295.00 | 1 |
| 3010-01-737-7882 | Flange,Companion,Non | 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 |
| 3010-00-066-4726 | Insert,Flexible Coup | Watch 18 | one active source in SAM out of 3 approved (0 expired, 2 unverified); AMSC R on the latest solicitation: only approved sources may supply | 31 active · 0 expired · 2 unverified | Sep 2026$23.55 | 1 |
| 3010-00-498-1433 | Coupling,Shaft,Rigid | Watch 18 | single approved source (registered in SAM); AMSC P on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | May 2026$1,120.00 | 1 |
| 3010-01-090-4359 | Gear Assembly,Speed | Watch 18 | one active source in SAM out of 2 approved (0 expired, 1 unverified); AMSC D on the latest solicitation: only approved sources may supply | 21 active · 0 expired · 1 unverified | Sep 2026$2,383.80 | 1 |
| 3010-01-331-1870 | Disk,Clutch,Nonvehic | Watch 18 | single approved source (registered in SAM); AMSC L on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Sep 2026$370.00 | 1 |
| 3010-01-527-1478 | Gear Assembly,Speed | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Sep 2025$11,852.35 | 1 |
| 3010-01-096-1094 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC C on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | May 2026$1,725.38 | 2 in 12 m |
| 3010-01-300-3763 | Clutch Assembly,Fric | Watch 18 | solicited in the last 12 months; last award Mar 2023; AMSC C on the latest solicitation: only approved sources may supply | 22 active · 0 expired · 0 unverified | Mar 2023$7,850.00 | 2 in 12 m |
| 3010-01-346-2878 | Carrier,Gear Assembl | Watch 18 | solicited in the last 12 months; last award Oct 2020; AMSC R on the latest solicitation: only approved sources may supply | 43 active · 0 expired · 1 unverified | Oct 2020$1,288.38 | 2 in 12 m |
| 3010-00-804-9979 | Clutch,Positive,Nonv | Watch 18 | one active source in SAM out of 3 approved (1 expired, 1 unverified); AMSC C on the latest solicitation: only approved sources may supply | 31 active · 1 expired · 1 unverified | Apr 2026$875.00 | 1 in 12 m |
| 3010-01-004-3863 | Clutch Half,Positive | Watch 18 | one active source in SAM out of 2 approved (1 expired, 0 unverified); AMSC C on the latest solicitation: only approved sources may supply | 21 active · 1 expired · 0 unverified | Aug 2025$1,050.00 | 1 in 12 m |
| 3010-01-037-1750 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC C on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Sep 2025$2,435.00 | 1 in 12 m |
| 3010-01-055-6548 | Clutch,Positive,Nonv | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | May 2024$8,349.00 | 1 in 12 m |
| 3010-01-068-3424 | Coupling,Shaft,Flexi | Watch 18 | solicited in the last 12 months; last award Aug 1988; AMSC L on the latest solicitation: only approved sources may supply | 42 active · 0 expired · 2 unverified | Aug 1988$111.40 | 1 in 12 m |
| 3010-01-148-0009 | Drive Unit,Angle | Watch 18 | one active source in SAM out of 2 approved (0 expired, 1 unverified); AMSC D on the latest solicitation: only approved sources may supply | 21 active · 0 expired · 1 unverified | May 2025$1,450.22 | 1 in 12 m |
| 3010-01-155-5008 | Actuator,Electro-Mec | Watch 18 | solicited in the last 12 months; last award May 2018; AMSC D on the latest solicitation: only approved sources may supply | 32 active · 0 expired · 1 unverified | May 2018$11,474.33 | 1 in 12 m |
| 3010-01-196-1484 | Coupling,Shaft,Flex | Watch 18 | solicited in the last 12 months; last award Oct 2016; AMSC D on the latest solicitation: only approved sources may supply | 22 active · 0 expired · 0 unverified | Oct 2016$379.35 | 1 in 12 m |
| 3010-01-267-2556 | Shear Element Asse | Watch 18 | one active source in SAM out of 2 approved (0 expired, 1 unverified); AMSC L on the latest solicitation: only approved sources may supply | 21 active · 0 expired · 1 unverified | Mar 2026$16,266.47 | 1 in 12 m |
| 3010-01-270-6525 | Gear Assembly,Speed | Watch 18 | single approved source (registered in SAM); AMSC C on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Dec 2023$7,437.73 | 1 in 12 m |
| 3010-01-277-1277 | Coupling,Shaft,Flexi | Watch 18 | one active source in SAM out of 3 approved (0 expired, 2 unverified); AMSC C on the latest solicitation: only approved sources may supply | 31 active · 0 expired · 2 unverified | Aug 2026$8,999.93 | 1 in 12 m |
| 3010-01-315-0636 | Coupling Half,Shaft | Watch 18 | one active source in SAM out of 3 approved (0 expired, 2 unverified); AMSC R on the latest solicitation: only approved sources may supply | 31 active · 0 expired · 2 unverified | Apr 2026$654.00 | 1 in 12 m |
| 3010-01-343-7503 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC R on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | May 2026$5,370.00 | 1 in 12 m |
| 3010-01-436-1296 | Clutch,Magnetic,Nonv | Watch 18 | one active source in SAM out of 4 approved (0 expired, 3 unverified); AMSC D on the latest solicitation: only approved sources may supply | 41 active · 0 expired · 3 unverified | May 2024$28,060.57 | 1 in 12 m |
| 3010-01-516-2028 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC L on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Aug 2026$5,401.44 | 1 in 12 m |
| 3010-01-524-5246 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Jul 2026$5,986.15 | 1 in 12 m |
| 3010-01-538-8204 | Coupling,Shaft,Flexi | 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 |
| 3010-01-613-1284 | Coupling,Plain | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Aug 2026$1,300.63 | 1 in 12 m |
| 3010-01-725-8915 | Coupling,Shaft,Flexi | Watch 18 | single approved source (registered in SAM); AMSC R on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Jun 2026$117.36 | 1 in 12 m |
| 3010-01-732-3760 | Gear Assembly,Speed | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Sep 2026$2,008.00 | 1 in 12 m |
| 3010-01-732-3789 | Gear Assembly,Speed | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Sep 2026$1,938.00 | 1 in 12 m |
| 3010-01-732-4040 | Gear Assembly,Post | Watch 18 | single approved source (registered in SAM); AMSC D on the latest solicitation: only approved sources may supply | 11 active · 0 expired · 0 unverified | Mar 2026$13,623.00 | 1 in 12 m |
| 3010-01-737-7921 | Coupling,Shaft,Rigi | 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 |
| 3010-01-075-6710 | Disk,Clutch,Nonvehic | Watch 15 | one active source in SAM out of 2 approved (0 expired, 1 unverified) | 21 active · 0 expired · 1 unverified | Jul 2026$750.00 | 1 |
| 3010-01-316-0190 | Actuator,Electromech | Watch 15 | one active source in SAM out of 4 approved (0 expired, 3 unverified) | 41 active · 0 expired · 3 unverified | Dec 2025$8,275.00 | 2 in 12 m |
| 3010-01-125-3022 | Clutch Assembly,Fric | Watch 15 | single approved source (registered in SAM) | 11 active · 0 expired · 0 unverified | May 2025$4,556.25 | 1 in 12 m |
| 3010-01-487-6218 | Coupling Aft | Watch 15 | one active source in SAM out of 3 approved (0 expired, 2 unverified) | 31 active · 0 expired · 2 unverified | Jul 2024$9,984.00 | 1 in 12 m |
| 3010-01-492-7475 | Universal Joint,Nonv | Watch 15 | one active source in SAM out of 2 approved (0 expired, 1 unverified) | 21 active · 0 expired · 1 unverified | Sep 2026$18,000.00 | 1 in 12 m |
| 3010-01-501-5212 | Coupling,Shaft,Rigid | Watch 15 | one active source in SAM out of 2 approved (0 expired, 1 unverified) | 21 active · 0 expired · 1 unverified | Feb 2026$1,009.35 | 1 in 12 m |
| 3010-01-587-7168 | Sleeve,Coupling,Flex | Watch 15 | single approved source (registered in SAM) | 11 active · 0 expired · 0 unverified | May 2026$11,241.02 | 1 in 12 m |
| 3010-01-200-5475 | Bellows,Pressure | Watch 15 | single approved source (registered in SAM) | 11 active · 0 expired · 0 unverified | none on record | — |
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