ClosedSources Sought
Dept of Defense contract category

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

Dept of Defense · DEPT OF THE AIR FORCE

This notice is not accepting responses (deadline was Dec 6, 2025, 5:00 PM EST).

Page kept for research and related open opportunities below. For current work in this category, use the related notices or browse hubs.

Response deadline
Dec 6, 2025, 5:00 PM EST
Posted
Nov 6, 2025
Solicitation
FA850426RXXXX
Set-aside
None listed
Place of performance
Arlington, VA, USA
Contracting office
FA8504 AFLCMC WLNKA · ROBINS AFB · GA
Source
SAM.gov · updated Jul 5, 2026

Description

The Government is conducting market research to identify potential sources that possess the expertise, capabilities, and experience to meet qualification requirements to procure the C-130J Avionics Identification Friend of Foe (IFF) AN/APX-119 Transponder component listed below: NOUN NSN P/N AN/APX-119 Transponder 5841-01-693-3952 4079100-0541 This requirement is for manufacturing services. Our manufacturing services strategy is a two-year contract and will continue through FY27. The projected quantities will be 217 units. The Government�s needs for manufacturing services are required in order to upgrade C-130J aircraft to meet the requirements of AMC 22-042 "Maintain Traffic and Collision Avoidance System (TCAS) While Inhibiting Position Reporting Systems Emissions,� Urgent Operation Need (UON) 25-008 and to mitigate Diminishing Manufacture Sources and Material Shortages (DMSMS) of the legacy IFF Transponder (PN: 4079100-0522). The AN/APX-119 Transponder, These transponders are essential to enable 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) Mode Select (S).

What similar awards have paid

Real federal awards already on the books in a similar lane — so you can size the opportunity, not guess. This is public history, not a bid price, cost estimate, or prediction that you will win.

Typical award size

$70,211

Middle of the pack for similar past awards

Most similar awards fall between $18,661 and $462,018

Lower end$18,661Typical$70,211Higher end$462,018
Based on 500+ similar awardsSame industry code (334511)Prime contracts (not umbrella IDVs)

Who has won work like this

Public awardees in this lane — useful for competitor scan or teaming ideas, not a ranked list of “best” firms.

Drawn from official USAspending contract records in our index. Always confirm requirements on the SAM.gov notice before you bid.

Intelligence only — not legal advice or a guarantee of award. Always verify requirements on the official SAM.gov notice. Past award amounts are public history, not a suggested bid or prediction. Notice ID eacd57682f82483e80d75a4286d8ff89.

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