This is a Request for Quotation for a brand-name Flowserve Corporation check valve, open to all responsible sources. The government will award a firm-fixed price purchase order based on best value, considering price, delivery, technical acceptability, and past performance. The services are for delivery and acceptance in Yokosuka, Japan, with a requested delivery date of April 30, 2027. The anticipated award date is April 2026. All quoters must explicitly note any exceptions to the solicitation terms.