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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.

15 stock numbers

NSN	Item	Risk	Why	Sources	Last award	Open
9905-01-609-4505	Plate,Instruction	Elevated 43	single approved source (registered in SAM); that source's SAM registration (97499) is due for renewal by Nov 14, 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
9905-01-609-4506	Plate,Instruction	Elevated 43	single approved source (registered in SAM); that source's SAM registration (97499) is due for renewal by Nov 14, 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
9905-01-734-0513	Plate,Identification	Elevated 43	single approved source (registered in SAM); that source's SAM registration (82106) is due for renewal by Aug 20, 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
9905-01-724-4660	Plate,Instruction	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
9905-01-695-7601	Plate,Instruction	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
9905-01-308-9553	Plate,Identification	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
9905-21-914-1850	Tag,Instruction	Watch 25	no approved source on file in FLIS; solicited in the last 12 months; no award in our record; AMSC D on the latest solicitation: only approved sources may supply	00 active · 0 expired · 0 unverified	none on record	1 in 12 m
9905-01-496-3743	Plate,Identification	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	2
9905-01-124-9300	Plate,Identification	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
9905-01-066-9547	Sign,Minefield Marki	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
9905-01-267-2159	Plate,Identification	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
9905-01-418-8323	Plate,Instruction	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
9905-00-670-5665	Plate,Instruction	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
9905-01-066-9543	Pole Driver	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
9905-01-490-6752	Plate,Instruction	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.