This is a 100% small business set-aside solicitation for a firm-fixed price purchase order to supply 20 units of a Housing, Pin Assembly (NSN 1560-01-161-4338), with an optional quantity of up to 20 additional units. The requested delivery date for the initial order is August 20, 2026. The government may unilaterally exercise the option for additional units at the same price and lead time for up to 365 days after award. All parts must be new and approved, and a Certificate of Conformance is required; no drawings or specifications are available from the agency. Performance location is not specified, and no budget amount is provided.