STEM,FLUID VALVE

The U.S. Navy is soliciting a contractor to supply a stem and backup valve for a 12‑inch hull, conforming to NAVSEA drawing 845‑7016077 and a series of military and industry specifications (e.g., SAE AMS 6931, MIL‑STD‑2035, FED‑STD‑H28). The part is designated as Special Emphasis Material (Level I) and must meet strict quality, traceability, non‑destructive testing, welding, and certification requirements, including a one‑year warranty from delivery. The contractor must provide certificates of compliance, material traceability, and may need to submit engineering change proposals or waivers through the ECDS system. Delivery will be to a Navy facility, with acceptance and inspection performed via WAWF and DCMA oversight. • Supply stem and backup valve (12‑in. hull) per NAVSEA drawing 845‑7016077. • Material: SAE AMS 6931, with mechanical properties per supplementary notes. • Required NDT: ultrasonic, dye‑penetrant, weld‑repair inspections. • Threads must be cut (no cold‑forming) and inspected per FED‑STD‑H28. • Full traceability, certification, and one‑year warranty required. • Submissions via ECDS; certifications via WAWF to Portsmouth Naval Shipyard. • Government will conduct source inspections; contractor must maintain ISO‑9001/ISO‑17025 quality system.