STEM ASSY

This Navy solicitation orders a complete stem assembly for a 1‑inch ball valve, covering the retaining nut, stem pieces, and associated bushing, to be manufactured to specific Navy and General Dynamics drawings. The contract requires extensive material certifications, strict quality‑assurance protocols (including higher‑level inspections, traceability, and certification of heat‑treated alloys), and compliance with numerous federal, military, and industry standards. The award will be bilateral, with the contractor’s written acceptance required before execution, and the work is classified as SPECIAL EMPHASIS material, demanding rigorous testing, documentation, and warranty provisions. • Provide the stem assembly (retaining nut, stem pieces, bushing) per Navy drawings 2285‑296, 2285‑324, and 2445483. • Perform quantitative chemical and mechanical analysis of specified alloys (e.g., QQ‑N‑286, ASTM‑B505) and obtain all required certifications and test reports. • Meet extensive QA requirements: higher‑level inspection, thread inspection per FED‑STD‑H28, material traceability, O‑QE documentation, and a one‑year warranty from delivery.