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PresolicitationAmendment 2

Procurement of AN/APX-119 Transponder, P/N: 4079100-0541

FA8504 AFLCMC WLNKA · Aberdeen Proving Ground, Maryland, 21005

Response status

Historical record

Feb 28, 2026, 10:00 PM UTC

This notice is no longer open.

Posted
Feb 13, 2026
Archive date
Dec 1, 2026
SAM status
Active
This is a preserved solicitation record. The response window is closed because the published deadline passed.

Answer-first brief

What the source record says

  • FA8504 AFLCMC WLNKA published this presolicitation.
  • Competition is listed as No Set aside used.
  • The place of performance is Aberdeen Proving Ground, Maryland.
  • The notice uses NAICS 334511 (Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing).

Procurement identity

Notice ID
a00bb6bc8bd048608233260be425b2b8
Solicitation
FA850426R0002
Base type
Sources Sought
Version
2 of 2

Solicitation facts

Structured fields from the current SAM notice version. A dash means the source did not publish a value.

Notice type
Presolicitation
Solicitation number
FA850426R0002
Set-aside
No Set aside used
Set-aside code
Posted
Feb 13, 2026
Responses due
Feb 28, 2026, 10:00 PM UTC
Archive date
Dec 1, 2026
Archive type
autocustom
Base type
Sources Sought
Organization type
OFFICE
Benchmark category
Category confidence
Category source
Last seen
Aug 29, 2026

Buyer and place

Office hierarchy and place of performance as published.

Department
DEPT OF DEFENSE
Department code
Subagency
DEPT OF THE AIR FORCE
Subagency code
Office
FA8504 AFLCMC WLNKA
Organization path
Organization path codes
Office address
ROBINS AFB, GA, 31098-1670, USA
Place of performance
Aberdeen Proving Ground, Maryland, 21005
City code
State
Maryland
State code
MD
Postal code
21005
Country

Points of contact

Contact details from the current notice version.

Notice description

Source text reproduced without an AI summary.

This is a PreSolicitation Notice IAW Solicitation FA850426R0002 IAW the Revolutionary FAR Overhaul 5.101(c): Description: This requirement is for the procurement of 217 units of the AN/APX-119-0541Transponder, NSN: 5841-01-693-3952 CX , P/N: 4079100-0541 applicable to the C-130J Aircraft. These units are required to allow the Mobility Air Force (MAF) to employ existing Traffic Alert and Collision Avoidance System (TCAS) capabilities while selectively inhibiting �open air� position reporting systems such as Automatic Dependent Surveillance-Broadcast (ADS-B) Out and/or Air Traffic Control (ATC) Select (S). The end users will be AFRC, ANG, and USAF. All responsible sources may submit a quotation, bid, or proposal, as appropriate, which will be considered by the agency. This noncompetitive contract will be sole source to Raytheon (CAGE: 06845) under the DLA (Raytheon) Umbrella Contract, SPRBLI-25-D-0006, using OTF&OC as prescribed by FAR 6.302-1 & RFO 6.103-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. The intent of this Synopsis is to establish a subsumable sole-source contract against the already established contract with RTX Corporation, SPRBL1-25-D-0006. Market research suggests that RTX Corporation business affiliate, Raytheon (CAGE: 06845) is the sole approved source capable of providing the required AN/APX-119-0541Transponder. SPRBL1-25-D-0006 is a twenty (20) year Supplier Capabilities Umbrella contract establishing the terms and conditions for the support of sole-source RTX Corporation requirements. The contract was awarded on 1 Aug 2025. The contract maximum ceiling is $50B. Draft RFP is attached.

Comparable award range

Historical award values for work matched by the fixed rubric—not an estimate of this opportunity.

No past awards scored highly enough to form a comparable range.

Comparable awards

The match score is decomposed so each comparison can be challenged.

No comparable awards are attached to this notice.

Amendment history

A version is preserved whenever the normalized notice contents change.

VersionNotice typeObservedResponses dueContent hash
1PresolicitationAug 10, 2026Feb 28, 2026, 10:00 PM UTC3b8614bdc1b8d737
2PresolicitationAug 28, 2026Feb 28, 2026, 10:00 PM UTCded0c59e5990def2

Record provenance

Field-level lineage for the current opportunity version.

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Sources and method

Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.

  1. 1Notice fields come from the SAM.gov contract opportunities record last seen Aug 29, 2026. SAM.gov remains authoritative.

Note 1 covers the solicitation record. No synthetic FAQ or inferred solicitation value is published.