Skip to content
  • 6,032 federal solicitations are open right now. How many of them are yours?
  • New solicitations are posted every day. The ones you never saw are the ones you cannot win.
  • Stop checking SAM.gov every morning. Let the contracts that fit your business come to you.
  • Tell Abierto what you sell in one sentence. AI reads every open solicitation for you.
  • Deadlines are short. Hear about a solicitation the day it is posted, not the week it closes.
  • Amendments move deadlines. Watch a solicitation and Abierto tells you when it changes.
  • See which contracts in your field are about to end, and who holds them today.
  • Plans from $39 a month. See your matches before you pay.
See plans
AbiertoGet started

Presolicitation, first published as sources sought

Purchase (Spares) B-2 Heat Exchanger

FD20302601211

Department of the Air Force, FA8118 AFSC Pzabb. Other Aircraft Parts and Auxiliary Equipment Manufacturing.

Offers due

November 10, 2026 at 4:00 PM EST

7 days from now. Posted October 13, 2026, first published February 20, 2026.

Get an email when this is amended, when the deadline moves and when it is awarded.Watch it

Next from this buyer

Similar, open now

All 465 open in other aircraft parts and auxiliary equipment manufacturing

Description

As published on SAM.gov.

The United States Air Force, through the Air Force Sustainment Center (AFSC), Tinker AFB 73145, is contemplating awarding a contract to acquire the B-2 Heat Exchanger.

This is a sole source requirement to Hamilton Sundstrand Corp.

The contractor shall provide all labor, facilities, equipment, and material necessary to accomplish the manufacture and supply of the items. The work encompasses all assembly, testing, inspection, and finishing actions required to deliver the items in accordance with the solicitation requirements and all associated attachments.

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. February 20, 2026

    Sources sought

    Heat Exchanger / NSN: 1660-01-349-8307 / PN: 793269

    Due February 28, 2026 at 12:59 AM EST. SAM.gov, notice 77d191cbd5904414a547cc46bcca4e6e

    1 revisions on SAM
    • February 20, 2026: publish, sources sought
  2. October 13, 2026

    Presolicitation

    Due November 10, 2026 at 4:00 PM EST. SAM.gov, notice 1ea0689a7aba41a49adc6212ac1427f6

    1 revisions on SAM
    • October 13, 2026: publish, presolicitation

Points of contact