Home · Aircraft platforms · B-1
B-1B Lancer: parts, government demand, prices, suppliers
The federal catalog names the B-1 as the end item on 18,352 stock numbers; 110 of them have a DLA solicitation or award on record. What the government buys for this aircraft, what it paid, who wins, and which parts are at supply risk. Rebuilt nightly; this page is from 2026-09-28.
18,352
stock numbers
110
with demand
56
open now
98
awards, 36 m
1
sellers here
78
at supply risk
Open DLA solicitations for B-1 parts
- SPE4A026T4870 · Bolt,Close Tolerance · NSN 5306011731082 · 30 EA · due Sep 29, 2026 · N · AMSC C
- SPE4A526T462U · Solenoid,Electrical · NSN 5945012051248 · 4 EA · due Sep 29, 2026 · N · AMSC L
- SPE4A626T31GD · Washer,Lock · NSN 5310015875133 · 2 EA · due Sep 29, 2026 · N · AMSC L
- SPE4A626T31LF · Pin-Rivet · NSN 5320016936782 · 50 EA · due Sep 29, 2026 · N · AMSC B
- SPE4A726T752K · Pin-Rivet · NSN 5320016936953 · 63 EA · due Sep 29, 2026 · N · AMSC D
- SPE4A726T753B · Pin-Rivet · NSN 5320016936950 · 200 EA · due Sep 29, 2026 · H · AMSC D
- SPE4A726T781J · Sleeve,Valve · NSN 1650012240891 · 3 EA · due Sep 29, 2026 · N · AMSC D
- SPE4A626T34US · Support,Structural C · NSN 1560016826861 · 15 EA · due Sep 29, 2026 · Y · AMSC C
- SPE4A726T749P · Sleeve,Directional C · NSN 1650012423370 · 2 EA · due Sep 29, 2026 · Y · AMSC P
- SPE4A626T33BP · Cable Assembly,Spec · NSN 6150014750684 · 1 EA · due Sep 30, 2026 · Y · AMSC G
- SPE4A626T35UH · Pin,Shoulder,Headles · NSN 5315014545870 · 37 EA · due Sep 30, 2026 · N · AMSC R
- SPE4A726T756J · Retainer,Brake Shoe · NSN 1680012326118 · 2 EA · due Sep 30, 2026 · N · AMSC G
- SPE4A726T786A · Gear And Shaft · NSN 1650012099994 · 4 EA · due Sep 30, 2026 · N · AMSC G
- SPE4A726T786H · Rivet,Blind · NSN 5320016852848 · 460 EA · due Sep 30, 2026 · N · AMSC C
- SPE4A726T786T · Insulation Pipe Cov · NSN 1660013855391 · 1 EA · due Sep 30, 2026 · N · AMSC B
- SPE4A026T4990 · Rivet,Blind · NSN 5320016851686 · 300 EA · due Oct 1, 2026 · N · AMSC G
- SPE4A626T36FT · Cable Assembly,Spec · NSN 6150014748935 · 5 EA · due Oct 1, 2026 · N · AMSC C
- SPE4A726T787F · Skin,Aircraft · NSN 1560017312865 · 18 EA · due Oct 1, 2026 · N · AMSC C
- SPE4A726T790U · Panel,Structural,Ai · NSN 1560016177567 · 8 EA · due Oct 1, 2026 · Y · AMSC C
- SPE7L326T268R · Seal,Nonmetallic Spe · NSN 5330012437442 · 1 EA · due Oct 1, 2026 · N · AMSC G
- SPE4A626T36DW · Rivet,Blind · NSN 5320016852871 · 137 EA · due Oct 1, 2026 · N · AMSC C
- SPE7M526Q1038 · Waveguide Assembly · NSN 5985012562338 · 3 EA · due Oct 1, 2026 · N · AMSC C
- SPE7MC26T285Z · Retainer,Spring,Val · NSN 4820012191511 · 44 EA · due Oct 1, 2026 · N · AMSC D
- SPE4A626T36XD · Light,Indicator · NSN 6220012024432 · 4 EA · due Oct 2, 2026 · N · AMSC R
- SPE4A626T36XL · Cable Assembly,Speci · NSN 6150014750685 · 3 EA · due Oct 2, 2026 · N · AMSC Q
- SPE4A726T792J · Cushion Assembly,Se · NSN 1680012895613 · 2 EA · due Oct 2, 2026 · N · AMSC G
- SPE7L126T15G0 · Plug,Expansion · NSN 5340012071988 · 2 EA · due Oct 2, 2026 · N · AMSC C
- SPE4A626U4311 · Rivet,Blind · NSN 5320013986211 · 478 EA · due Oct 2, 2026 · N · AMSC R
- SPE4A626U4376 · Rivet,Blind · NSN 5320016851960 · 693 EA · due Oct 2, 2026 · N · AMSC C
- SPE4A626U4285 · Rivet,Blind · NSN 5320016852216 · 550 EA · due Oct 2, 2026 · N · AMSC C
- SPE7L126U0755 · Bolt And Spacer Kit · NSN 5340011878102 · 24 EA · due Oct 2, 2026 · N · AMSC C
- SPE7M526T517C · Relay,Electromagneti · NSN 5945012276441 · 113 EA · due Oct 2, 2026 · Y · AMSC B
- SPE7L426U1263 · Gear Assembly,Speed · NSN 3010015271478 · 15 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M026T094U · Stop,Plunger,Valve · NSN 1650012267159 · 2 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M126T368S · Seat,Valve · NSN 4820012270271 · 12 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M426T433M · Filter · NSN 4320011829818 · 41 EA · due Oct 5, 2026 · N · AMSC L
- SPE7M426T434C · Retainer,Hold Down · NSN 4320011829822 · 9 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M426T438Y · Valve Plate,Hydrauli · NSN 1650012164824 · 7 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M426T439F · Seal Assembly,Pressu · NSN 1650012367679 · 13 EA · due Oct 5, 2026 · N · AMSC D
- SPE7M426T446H · Diffuser,Flow · NSN 1650012364490 · 2 EA · due Oct 5, 2026 · N · AMSC D
Most-bought stock numbers
Ranked by DLA awards in the last 36 months, then open solicitations. Price is the last award.
| NSN | Item | Awards 36 m | Open | Last paid | Sellers | Risk |
|---|---|---|---|---|---|---|
| 5945-01-227-6441 | Relay,Electromagneti | 5 | 1 | $972.16Jul 16, 2026 | — | |
| 5320-01-398-6211 | Rivet,Blind | 5 | 1 | $5.20Feb 9, 2026 | — | watch |
| 3010-01-527-1478 | Gear Assembly,Speed | 5 | 1 | $11,852.35Sep 4, 2025 | — | watch |
| 5935-01-502-5921 | Jackscrew,Electrical | 4 | 1 | $428.69May 29, 2024 | — | watch |
| 4320-01-651-9820 | Magnetic Shaft Seal | 4 | 1 | $4,052.18Aug 4, 2026 | — | watch |
| 5945-01-287-0698 | Solenoid,Electrical | 3 | 1 | $18,995.00Aug 18, 2025 | — | |
| 5320-01-693-6782 | Pin-Rivet | 3 | 1 | $125.00Aug 4, 2026 | — | |
| 5945-01-205-1248 | Solenoid,Electrical | 2 | 1 | $1,988.87Nov 6, 2024 | — | |
| 1650-01-216-4824 | Valve Plate,Hydrauli | 2 | 1 | $1,469.00Oct 28, 2025 | — | watch |
| 5340-01-187-8102 | Bolt And Spacer Kit | 1 | 1 | $385.00Jul 16, 2025 | — | |
| 6220-01-202-4432 | Light,Indicator | 1 | 1 | $11,000.00Oct 1, 2023 | — | |
| 1650-01-224-0891 | Sleeve,Valve | 1 | 1 | $1,740.03Jan 26, 2026 | — | watch |
| 1680-01-232-6118 | Retainer,Brake Shoe | 1 | 1 | $621.00Jul 28, 2026 | — | watch |
| 1650-01-242-3370 | Sleeve,Directional C | 1 | 1 | $13,680.00Jan 6, 2026 | — | |
| 5985-01-558-4115 | Waveguide | 1 | 1 | $2,570.00Aug 19, 2026 | — | |
| 5310-01-587-5133 | Washer,Lock | 1 | 1 | $64.37Apr 8, 2025 | — | |
| 5320-01-665-7423 | Rivet,Blind | 1 | 1 | $16.00Jun 20, 2024 | — | |
| 1560-01-682-6861 | Support,Structural C | 1 | 1 | $1,230.00Apr 29, 2026 | — | |
| 5320-01-693-6950 | Pin-Rivet | 1 | 1 | $185.00Jul 16, 2026 | — | watch |
| 5306-01-173-1082 | Bolt,Close Tolerance | — | 1 | $14.55Feb 14, 2008 | — | watch |
| 4320-01-182-9818 | Filter | — | 1 | $394.40Jan 10, 2014 | — | elevated |
| 4320-01-182-9822 | Retainer,Hold Down | — | 1 | $275.00Oct 31, 2019 | — | elevated |
| 5340-01-207-1988 | Plug,Expansion | — | 1 | $1,219.90Dec 9, 2016 | — | watch |
| 1650-01-209-9994 | Gear And Shaft | — | 1 | $917.95Nov 30, 2019 | — | watch |
| 4820-01-219-1511 | Retainer,Spring,Val | — | 1 | — | — | watch |
| 1650-01-226-7159 | Stop,Plunger,Valve | — | 1 | $49.99Mar 1, 2011 | — | elevated |
| 4820-01-227-0271 | Seat,Valve | — | 1 | $355.68Nov 2, 2009 | — | elevated |
| 1630-01-228-0097 | Piston,Hydraulic Bra | — | 1 | $136.00Feb 11, 2020 | — | |
| 1650-01-236-4490 | Diffuser,Flow | — | 1 | $322.00Aug 25, 2016 | — | elevated |
| 1650-01-236-7679 | Seal Assembly,Pressu | — | 1 | $1,132.20Apr 19, 2018 | — | elevated |
| 1650-01-236-7805 | Cap,Valve | — | 1 | $390.00Oct 22, 2018 | — | elevated |
| 5330-01-243-7442 | Seal,Nonmetallic Spe | — | 1 | $100.00Aug 22, 2017 | — | watch |
| 5985-01-256-2338 | Waveguide Assembly | — | 1 | — | — | |
| 1680-01-289-5613 | Cushion Assembly,Se | — | 1 | $116.40Oct 8, 1997 | — | watch |
| 1660-01-385-5391 | Insulation Pipe Cov | — | 1 | $353.89Oct 26, 2005 | — | elevated |
| 5315-01-454-5870 | Pin,Shoulder,Headles | — | 1 | $211.00Feb 1, 2017 | — | watch |
| 6150-01-474-8935 | Cable Assembly,Spec | — | 1 | $6,900.00Dec 9, 2002 | — | elevated |
| 6150-01-475-0684 | Cable Assembly,Spec | — | 1 | $10,145.00Mar 6, 2013 | — | watch |
| 6150-01-475-0685 | Cable Assembly,Speci | — | 1 | — | — | watch |
| 5985-01-557-1277 | Waveguide | — | 1 | — | — | |
| 1560-01-617-7567 | Panel,Structural,Ai | — | 1 | — | — | |
| 5320-01-685-1686 | Rivet,Blind | — | 1 | — | — | |
| 5320-01-685-1960 | Rivet,Blind | — | 1 | — | — | |
| 5320-01-685-2216 | Rivet,Blind | — | 1 | — | — | |
| 5320-01-685-2848 | Rivet,Blind | — | 1 | — | — | |
| 5320-01-685-2871 | Rivet,Blind | — | 1 | — | — | |
| 5320-01-693-6953 | Pin-Rivet | — | 1 | $360.02Oct 13, 2021 | — | elevated |
| 1560-01-731-2865 | Skin,Aircraft | — | 1 | — | — | |
| 3110-01-194-4255 | Bearing,Ball,Annular | 6 | — | $722.60Jun 22, 2026 | — | |
| 1650-01-211-2078 | Stem And Sleeve,Mat | 6 | — | $12,999.98Aug 20, 2026 | — | watch |
| 5945-01-304-5936 | Relay,Solid State | 6 | — | $1,095.00Aug 11, 2026 | — | watch |
| 4730-01-348-2328 | Coupling Half,Quick | 5 | — | $1,040.81Jun 9, 2026 | — | watch |
| 5306-01-445-9597 | Bolt,Assembled Washe | 5 | — | $615.50May 26, 2026 | — | |
| 5306-01-617-7490 | Bolt,Machine | 4 | — | $89.65May 26, 2026 | — | watch |
| 1650-01-215-7570 | Plate,Shoe Hold Dow | 2 | — | $150.00Sep 13, 2024 | — | watch |
| 5935-01-260-6274 | Connector,Plug,Elect | 2 | — | $4,844.00Sep 18, 2025 | — | |
| 5920-01-463-0791 | Arrester,Electrical | 2 | — | $1,868.58May 21, 2025 | — | watch |
| 5310-01-535-1654 | Nut,Clip-On | 2 | — | $50.00Apr 8, 2026 | — | watch |
| 1560-01-643-3018 | Support,Structural C | 2 | — | $415.00Sep 9, 2026 | — | |
| 5306-01-724-8585 | Bolt,Shear | 2 | — | $95.00Jun 9, 2026 | — | watch |
B-1 parts at supply risk
From the obsolescence watch: terminal codes, sources whose SAM registration has expired, single sources, years of solicitations without an award. Reasons in words; unverified is never counted as gone.
- high 706605-00-181-5879 Jewel,Pivot Sapphir — AAC V: the government marks it a terminal item with no replacement; one active source in SAM out of 3 approved (0 expired, 2 unverified); solicited in the last 12 months; last award Oct 2022
- elevated 501660-01-385-5391 Insulation Pipe Cov — one active source in SAM out of 2 approved (0 expired, 1 unverified); that source's SAM registration (25167) is due for renewal by Sep 30, 2026; solicited in the last 12 months; last award Oct 2005; AMSC B on the latest solicitation: only approved sources may supply
- elevated 505935-01-608-6788 Jackscrew,Electrical — single approved source (registered in SAM); that source's SAM registration (1BU04) is due for renewal by Oct 3, 2026; solicited in the last 12 months; last award May 2018; AMSC P on the latest solicitation: only approved sources may supply
- elevated 411680-01-142-9171 Torque Tube Assembly — single approved source, SAM status unverified; FLIS lists every source CAGE with a status other than Active; solicited in the last 12 months; no award in our record; AMSC C on the latest solicitation: only approved sources may supply
- elevated 40011664138 Actuator,Drive Shaft — AAC V: the government marks it a terminal item with no replacement
- elevated 401660-01-548-9963 Cover,Insulation,Pr — single approved source (registered in SAM); that source's SAM registration (25167) is due for renewal by Sep 30, 2026; solicited in the last 12 months; last award Sep 2014
- elevated 375320-01-693-6953 Pin-Rivet — single approved source (registered in SAM); solicited in the last 12 months; last award Oct 2021; AMSC D on the latest solicitation: only approved sources may supply
- elevated 374320-01-182-9818 Filter — single approved source (registered in SAM); solicited in the last 12 months; last award Jan 2014; AMSC L on the latest solicitation: only approved sources may supply
- elevated 374320-01-182-9822 Retainer,Hold Down — single approved source (registered in SAM); solicited in the last 12 months; last award Oct 2019; AMSC D on the latest solicitation: only approved sources may supply
- elevated 376150-01-474-8935 Cable Assembly,Spec — one active source in SAM out of 2 approved (0 expired, 1 unverified); solicited in the last 12 months; last award Dec 2002; AMSC C on the latest solicitation: only approved sources may supply
- elevated 374720-01-495-7935 Hose,Nonmetallic — single approved source (registered in SAM); solicited in the last 12 months; last award Sep 2010; AMSC L on the latest solicitation: only approved sources may supply
- elevated 371650-01-226-7159 Stop,Plunger,Valve — single approved source (registered in SAM); solicited in the last 12 months; last award Mar 2011; AMSC D on the latest solicitation: only approved sources may supply
- elevated 374820-01-227-0271 Seat,Valve — single approved source (registered in SAM); solicited in the last 12 months; last award Nov 2009; AMSC D on the latest solicitation: only approved sources may supply
- elevated 371650-01-236-4490 Diffuser,Flow — single approved source (registered in SAM); solicited in the last 12 months; last award Aug 2016; AMSC D on the latest solicitation: only approved sources may supply
- elevated 371650-01-236-7679 Seal Assembly,Pressu — single approved source (registered in SAM); solicited in the last 12 months; last award Apr 2018; AMSC D on the latest solicitation: only approved sources may supply
Who wins B-1 awards
DLA awards in the last 36 months on this platform's stock numbers.
- Aero-Glen International LLC 9V172 · 9 awards · $48K · 3 NSNs
- United Dynamics, Inc 0XWR4 · 5 awards · $247K · 1 NSN
- Hamilton Sundstrand Corporation 73030 · 5 awards · $330K · 1 NSN
- Boeing Distribution Services X, Inc. 2N935 · 5 awards · $160K · 1 NSN
- Aar Supply Chain, Inc 1Y249 · 4 awards · $75K · 1 NSN
- Wesco Aircraft Hardware Corp. 1V757 · 4 awards · $6K · 2 NSNs
- Empire Avionics Corp. 1BRS6 · 3 awards · $146K · 1 NSN
- Transaero, Inc. 27541 · 3 awards · $114K · 1 NSN
- Lee Air Company, Inc. 1A679 · 3 awards · $3K · 2 NSNs
- Bella Mia Donna LLC 8SGL5 · 3 awards · $89K · 1 NSN
- Flame Enterprises, Inc. 2V320 · 3 awards · $124K · 1 NSN
- Spencer Industries Inc 21530 · 2 awards · $6K · 2 NSNs
- Jamaica Bearings Co., Inc. 04836 · 2 awards · $16K · 2 NSNs
- Avnet, Inc. 1W091 · 2 awards · $52K · 1 NSN
- Infinity Fabrication, Inc. 06DM5 · 2 awards · $6K · 2 NSNs
Supply classes
- 5320 Rivets 19
- 1650 Aircraft Hydraulic, Vacuum, And De-Icing System Components 11
- 1560 Airframe Structural Components 10
- 4820 Valves, Nonpowered 7
- 5945 Relays And Solenoids 5
- 5306 Bolts 5
- 6150 Miscellaneous Electric Power And Distribution Equipment 5
- 5935 Connectors, Electrical 5
- 5330 Packing And Gasket Materials 4
- 5340 Hardware, Commercial 4
- 1680 Miscellaneous Aircraft Accessories And Components 4
- 5985 Antennas, Waveguides, And Related Equipment 4
Sell into this platform
List the parts you hold and every DLA and SAM.gov request for a B-1 stock number lands on your dashboard the morning it posts, ranked by your price edge. Free account →
About this page
A stock number is tied to the B-1 when the federal catalog's item characteristics name it as the end item; spellings and series letters (KC-46A, F/A-22) are folded together. Demand and prices come from DLA DIBBS, vendors from the award record, risk from the obsolescence watch. Same page for every reader. Data, not advice.
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Questions
- What parts does the B-1B Lancer use?
- The federal catalog ties 18,352 national stock numbers to the B-1B Lancer, most of them in supply classes 5320 (Rivets), 1650 (Aircraft Hydraulic, Vacuum, And De-Icing System Components), 1560 (Airframe Structural Components), 4820 (Valves, Nonpowered). 110 of them have a DLA solicitation or award on record; the most-bought include 5945-01-227-6441 Relay,Electromagneti; 5320-01-398-6211 Rivet,Blind; 3010-01-527-1478 Gear Assembly,Speed.
- Who supplies B-1B Lancer parts to the government?
- DLA made 98 awards on B-1B Lancer stock numbers in 36 months, worth about $2,508,298. The most frequent winners were Aero-Glen International LLC (9 awards), United Dynamics, Inc (5 awards), Hamilton Sundstrand Corporation (5 awards). 1 seller on PartsAndPlanes list B-1B Lancer stock numbers with confirmed stock.
- Is the government buying B-1B Lancer parts right now?
- 56 DLA solicitations are open today on B-1B Lancer stock numbers; 122 were issued in the last twelve months. 78 of the platform's stock numbers show supply-risk signals (few sources, long gaps between buys, or DMSMS notices). Each solicitation page shows the quantity, due date, the gates a seller must clear, and what was paid before.
Numbers as of the nightly build. Data, not advice.