STEM ASSY

This solicitation orders a complete stem assembly for a 1‑inch ball valve used in critical shipboard systems. The assembly must conform to multiple Navy and industry specifications, include specific material certifications, and meet rigorous quality‑assurance and traceability requirements. The contractor must provide detailed inspection reports, certificates of compliance, and adhere to strict welding, testing, and documentation procedures. • Supply a stem assembly (retaining nut, stem, bushing) in accordance with Newport News and General Dynamics drawings. • Perform quantitative chemical and mechanical analysis, slow‑strain‑rate tensile testing, and provide all required certifications. • Follow extensive quality‑system, traceability, and inspection protocols (ISO‑9001, MIL‑I‑45208, FED‑STD‑H28, etc.) and submit documentation via ECDS/WAWF before shipping.