The Department of Defense, through the Defense Logistics Agency (DLA) Aviation, is seeking suppliers for the procurement of Drive Engine Couplings for the C/KC-135 Stratolifter aircraft. This opportunity involves an indefinite quantity contract (IQC) for a base period of five years, with an estimated annual requirement of 160 units, to be delivered within 90 days after order placement. The Drive Engine Coupling is a critical component manufactured by R&D Dynamics Corp. and Parker-Hannifin Corp., and the solicitation will be issued as an unrestricted procurement, with a reverse auction process conducted online. Interested vendors must register at DLA.ProcurExInc.com to participate, and the solicitation is expected to be available on or about November 24, 2025. For further inquiries, contact Gladys Brown at gladys.brown@dla.mil or call 445-737-4113.