This government solicitation (SPRHA1-26-R-0855) is an RFP for the "C-5 Heat Sink 1-for-1 Exchange." The Defense Logistics Agency (DLA) Aviation - Ogden is seeking proposals for the remanufacture and new manufacture support of C-5 Heat Sink Assemblies (NSN: 1630-01-592-5894 LE), which are crucial for aircraft braking and component cooling. The contract has a base period of two years (Year 1 and Year 2) with two optional periods, extending the potential contract length to ten years (Years 3-6 and Years 7-10). The solicitation emphasizes compliance with the Buy American Act/Balance of Payments Program and requires Item Unique Identification (IUID). Proposals are due by March 5, 2026, at 11:59 PM. The document also includes numerous FAR and DFARS clauses, addressing topics such as safeguarding defense information, prohibition on certain telecommunications equipment, small business subcontracting, and electronic submission of payment requests via Wide Area WorkFlow (WAWF). An ombudsman is available to address offeror concerns.