The U.S. Coast Guard DCS, on behalf of SFLC, seeks a firm-fixed-price contract for two vacuum breaker valves, 3" NPS 125# ANSI B16.6 flange connection P/N 18U03-4F0-DBY, in support of USCGC HEALY. Items must be delivered F.O.B. Destination to SFLC PE Staff ATTN: HEALY, 1519 Alaskan Way S., Seattle, WA 98223, with delivery requested by January 5, 2026. This is a 100% total small business set-aside under NAICS J999 (size standard 1300) and Product Service Code 332911. Award will be made to the responsible offeror whose conforming quotation is most advantageous, based on pass/fail Technical Capability, pass/fail Past Performance, and lowest total evaluated price among acceptable quotations. Offerors must submit firm-fixed-price, all-inclusive quotations via email, identify all subcontractors and their work/percentages, and submit best initial offers because award is intended without discussions; questions must be by email and telephone inquiries are not accepted.