The USCG seeks quotations for a firm-fixed-price purchase order for brand-name Backshell, NSN 5935-01-HS2-7893, P/N ISO1420NFA-S, quantity five each, with an optional additional five each for a maximum of ten. The required delivery date is 12/10/2026, and the anticipated award date is on or about 9/17/2026; optional quantities may be ordered unilaterally within 365 days after initial award at the same price and lead time. Award will be made only for brand-name items from OEM Isodyne Inc (Cage Code 031M6), and offerors must provide clear traceability to the OEM plus manufacturer and contractor certificates of conformance; all parts must be new approved parts. No drawings, specifications, or schematics are available from the agency, and applicable clauses, instructions, and evaluation criteria are in the attachments. This is an unrestricted commercial-item RFQ under NAICS 336413 with a small business size standard of 1,250.