B-2 Air Heat Exchanger

The Defense Logistics Agency Aviation, specifically the Air Force Sustainment Center at Tinker Air Force Base, is seeking to procure heat exchangers (part number 793305-2, NSN 1660-01-350-8210FW) for B-2 bomber aircraft through a sources sought market research initiative. This is a new manufacture requirement, not a repair operation, and potential sources must be capable of furnishing all labor, materials, facilities, and equipment necessary for production, including component procurement, inspection, testing, preservation, packaging, and shipping. Interested vendors are required to possess current licensing from original equipment manufacturer Hamilton Sundstrand Corporation and must complete a Source Approval Request (SAR) package for qualification consideration. Responses must be submitted by February 10, 2026, with inquiries directed to 423scms.guea.workflow@us.af.mil, and interested vendors seeking qualification should submit SAR documentation electronically through DoD SAFE to the specified Air Force addresses. The NAICS Code applicable to this procurement is 336413 with a small business size standard of 1,250 employees, and the place of performance is Tinker Air Force Base, Oklahoma.

This opportunity carries no set-aside designation and is open to all business types, including large businesses, small businesses, small disadvantaged businesses, service-disabled veteran-owned small businesses, HUBZone businesses, and women-owned small businesses. The estimated annual requirement is 11 to 18 heat exchangers per year, with unit prices and any nonrecurring engineering costs to be established at contract award. No incumbent contractor or specific award value is identified in the available documentation. The original sources sought synopsis was posted on March 5, 2024, with an initial response deadline of April 2024, though this most recent update was posted on February 4, 2026, with the current response deadline of February 10, 2026, indicating an extended timeline for vendor identification and qualification.