This Navy procurement requires Government source approval prior to award; non-approved sources must submit the NAVSUP WSS Source Approval Brochure information with their proposal, incomplete data will not be considered, and if timely approval cannot be processed, award may proceed based on fleet support needs. If a firm fixed price cannot be determined, the offeror must inform the PCO. A 12-month warranty applies, with a 60-day discovery-of-defect period. Early and incremental deliveries are accepted and preferred. The notice references Philadelphia as the location.