This is a Navy contract/purchase order for manufacturing and quality requirements of a CHECK VALVE conforming to Cage Code 34228 reference 8590952-D1217483, with MIL-STD-130 marking and MIL-STD-2073 preservation/packaging. The applicable NAICS code is 332919 with a 750-employee small-business size standard, and award consideration is limited to authorized distributors of the original manufacturer’s item, with proof of authorization required with the offer. The contractor must handle inspection/quality compliance, configuration control, waivers/deviations/ECPs, and mercury-free material requirements for submarine/surface ship use. A one-year warranty after delivery applies, defects must be reported within 45 days of discovery, and inspection records must be retained for 365 calendar days after final delivery. If additive manufacturing is used, a Master Component Traceability Ledger must be compiled and submitted electronically to NAVSUP HQ AM and WAWF, with DCMA QAR verification before the receiving report.