The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking offers for the repair and modification of air heat exchangers, specifically under the NSN 7R-1660-016909781-P8. The procurement involves a quantity of five units, with delivery terms set to FOB Origin, and requires that offerors provide an FAA Part 145 Repair Station Certificate if they are not already an approved source. These heat exchangers are critical components in aircraft air conditioning, heating, and pressurizing systems, underscoring their importance in maintaining operational readiness. Interested parties should direct inquiries to Svitlana Shvets at (215) 697-6278 or via email at Svitlana.Shvets.CIV@US.Navy.Mil for further details on the submission process and requirements.