The Navy seeks a firm-fixed-price procurement/manufacture of four designated spare parts—NUT, SHAFT; STRAP, FLASK; O-RING, ALTERED; and DIAPHRAM, PRIMARY—to specified cage/part numbers and military packaging, marking, inspection, and quality requirements. Award is limited to authorized sources/distributors, with OEM authorization proof required if the offeror is not the manufacturer, and quotes must include unit/total pricing, delivery lead time, CAGE, cost breakdown, and at least 90 days’ quote validity. All units must undergo 100% production lot testing at Naval Surface Warfare Center Indian Head (EOD Technology Division) in Indian Head, MD, with the contractor notifying the Government testing activity 30 days before shipment; inspection records must be retained for 365 days after final delivery. The contract requires MIL-STD packaging, Government source inspection, FOB origin, IUID compliance, Material certificates of conformance for first-article/production-lot materials, and electronic quote submission via the listed Navy contact.