The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting offers for the procurement of heat exchangers for aircraft, classified under the NAICS code 336413. This solicitation is critical as it pertains to the supply of aircraft air conditioning, heating, and pressurizing equipment, which plays a vital role in maintaining operational readiness and safety in military aviation. Interested vendors should note that the government may conduct a reverse auction for this procurement, and evaluations will be based on price, delivery timeframe, and past performance. For inquiries, potential offerors can contact Isabella Perrins at 215-660-7088 or via email at ISABELLA.PERRINS@DLA.MIL.