The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Oklahoma City, is soliciting proposals for the procurement of "Housing, Insert, Fuel" parts, specifically identified by NSN2915-00-755-7528, for aircraft engines. This acquisition is classified under NAICS code 336412 and is designated as an aviation critical safety item, requiring unique item identification (IUID) for compliance. The contract will be awarded for a firm fixed price for a minimum of 28 and a maximum of 83 units, with deliveries scheduled through March 2031, and proposals are due by December 3, 2025, at 3:00 PM. Interested parties should direct inquiries to James Callins at JAMES.CALLINS@US.AF.MIL or 385-591-1684, and must submit payment requests electronically via Wide Area WorkFlow (WAWF).