Home · Government demand · Obsolescence watch
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.
By supply class All classes ← 4820 Valves, Nonpowered 1335 · 14 high 5330 Packing And Gasket Materials 1077 · 12 high 5935 Connectors, Electrical 787 · 9 high 5340 Hardware, Commercial 1254 · 7 high 1560 Airframe Structural Components 478 · 7 high 4730 Hose, Pipe, Tube, Lubrication, And Railing Fittings 877 · 6 high 5306 Bolts 531 · 6 high 4320 Power And Hand Pumps 332 · 5 high 4710 Pipe, Tube And Rigid Tubing 280 · 5 high 6140 Batteries, Rechargeable 107 · 5 high 5365 Bushings, Rings, Shims, And Spacers 414 · 4 high 5995 Cable, Cord, And Wire Assemblies: Communication Equipment 320 · 4 high 1680 Miscellaneous Aircraft Accessories And Components 312 · 4 high 5325 Fastening Devices 303 · 4 high 5360 Coil, Flat, Leaf, And Wire Springs 289 · 4 high 4810 Valves, Powered 288 · 4 high 5998 Electrical And Electronic Assemblies, Boards, Cards, And Associated Hardware 197 · 4 high 4310 Compressors And Vacuum Pumps 116 · 4 high 4930 Lubrication And Fuel Dispensing Equipment 51 · 4 high 8465 Individual Equipment 33 · 4 high 5305 Screws 913 · 3 high 6685 Pressure, Temperature, And Humidity Measuring And Controlling Instruments 227 · 3 high 6625 Electrical And Electronic Properties Measuring And Testing Instruments 131 · 3 high 6130 Converters, Electrical, Nonrotating 129 · 3 high 4130 Refrigeration And Air Conditioning Components 124 · 3 high 5342 Hardware, Weapon System 119 · 3 high 5970 Electrical Insulators And Insulating Materials 112 · 3 high 5962 Microcircuits, Electronic 111 · 3 high 6145 Wire And Cable, Electrical 104 · 3 high 5950 Coils And Transformers 96 · 3 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.
6 stock numbers at watch risk NSN Item Risk Why Sources Last award Open 1740-00-872-9361 Skid,Bomb Watch 30 one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Aug 2021 31 active · 0 expired · 2 unverified Aug 2021$32,814.18 1 1740-00-704-2354 Stand,Transport,Sto Watch 18 solicited in the last 12 months; last award May 2013; AMSC D on the latest solicitation: only approved sources may supply 43 active · 0 expired · 1 unverified May 2013$0.76 1 in 12 m 1740-01-498-6166 Air Clnr Assy-Intak 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 Jan 2026$10,477.41 1 in 12 m 1740-01-538-2631 Wheel,Front,Aircraf Watch 18 one active source in SAM out of 3 approved (0 expired, 2 unverified); AMSC D on the latest solicitation: only approved sources may supply 31 active · 0 expired · 2 unverified Mar 2026$560.00 1 in 12 m 1740-00-461-5349 Lock,Trailer Watch 15 solicited in the last 12 months; last award Feb 2021 42 active · 0 expired · 2 unverified Feb 2021$31.64 1 in 12 m 1740-00-842-7138 Brake Arm Assy Watch 15 one active source in SAM out of 3 approved (0 expired, 2 unverified) 31 active · 0 expired · 2 unverified none on record —
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.