The Department of Defense, through the Defense Logistics Agency, is seeking proposals for the procurement of hydraulic motor pump spares specifically for the KC-135 aircraft. This sole source acquisition is aimed at acquiring a total of 428 units, with a minimum order of 107 and a maximum of 642, to be delivered to Tinker Air Force Base, Oklahoma, by July 16, 2025. The procurement is limited to the qualified source Hamilton Sundstrand, emphasizing the specialized nature of the components required for the aircraft's operational capabilities. Interested parties must submit their proposals by November 7, 2024, following the estimated issue date of the Request for Proposal on October 7, 2024, and can direct inquiries to John Nolan at john.nolan.8@us.af.mil or by phone at 405-855-3542.