This is a combined synopsis/solicitation for a firm-fixed-price purchase order for 602 each of a Nut, Plain, Assembled (NSN 5310-01-183-8655, P/N SS5092-4), with an optional quantity of up to 1,981 additional items exercisable within 365 days after award. The acquisition is unrestricted, and all responsible sources may submit quotations. The requested delivery date is December 15, 2026. All parts must be new approved parts, and a Certificate of Conformance is required per FAR clause 52.246-15; no drawings or specifications are available. Quotations must be submitted via email as instructed.