The U.S. Coast Guard is seeking competitive quotations for a firm-fixed-price purchase order for PIN-RIVET, NSN 5320-00-959-0158, P/N HL19PB5-3, from OEM HI-SHEAR Corporation (Cage Code 73197), quantity 300 packages of 100 for a total of 30,000 units. This is an unrestricted commercial-item RFQ, and all responsible sources may submit a quotation. Quoters must provide clear, documented, auditable traceability to the OEM and a Certificate of Conformance per FAR 52.246-15. No drawings, specifications, or schematics are available from the USCG. Only F.O.B. Destination or F.O.B. Origin shipping terms are acceptable; Ex Works and Incoterms 2020 terms will not be accepted.