This is an unrestricted solicitation for new or new surplus centrifugal pump units for U.S. Coast Guard aircraft, requiring clear traceability to OEMs Sikorsky or Parker Hannafin. All parts must be new approved items with a Certificate of Conformance, and no drawings or schematics are available from the agency. Offers are due by May 19, 2026, with an anticipated award date on or about May 21, 2026. Performance location is not specified, and no budget amount is provided. Prospective bidders must demonstrate the ability to provide traceability documentation and OEM certification for airworthy parts.