This is an unrestricted solicitation for a firm-fixed price purchase order to supply 100 units of a specific nut (NSN 5310-01-102-6101), with an optional quantity of up to 500 additional units. The required delivery date for the initial order is June 30, 2026. The contractor must provide a Certificate of Conformance, and all parts must be new approved parts; no drawings or specifications are available. Performance location is not specified, and no budget amount is provided.