The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of five units of the NSN 1660011146435 Heat Exchanger, Air. This solicitation is part of a combined synopsis/solicitation and is critical for maintaining operational capabilities in aerospace applications. Interested vendors are required to submit their quotes electronically, as hard copies will not be available, and all responsible sources may participate in the bidding process. For inquiries, potential bidders can contact the DLA via email at DibbsBSM@dla.mil, and the solicitation details can be accessed through the DIBBS website.