DISK,VALVE

The U.S. Navy is soliciting a supplier to provide a 5‑inch hull and backup valve assembly disk meeting Naval Sea Systems Command specifications (drawing 845‑7016098, etc.). The disk must be fabricated from EB Spec 2937 or ASTM‑B564, UNS N06625, and must pass a series of non‑destructive tests (ultrasonic, dye‑penetrant, alloy identity) and a First Article Test (FAT) with detailed certification. All internal threads must be cut, not cold‑formed, and inspected per FED‑STD‑H28. The contractor must maintain ISO‑9001 quality system, provide traceability, certificates of compliance, and submit all testing data through the Wide Area Workflow (WAWF) and Electronic Contractor Data Submission (ECDS) systems. The material is classified as Special Emphasis (Level I) with a one‑year warranty and must be mercury‑free. • Provide disk for 5‑inch hull and backup valve assembly per NSC drawings. • Material: EB Spec 2937 / ASTM‑B564, UNS N06625. • Required NDT: ultrasonic, dye‑penetrant, alloy identity; plus FAT. • Thread inspection per FED‑STD‑H28 (system 21/22). • Quality system: ISO‑9001, ISO‑10012, MIL‑I‑45208. • Documentation via WAWF and ECDS; certifications required. • One‑year warranty from delivery; mercury‑free requirement.