This is a Navy procurement for a top cap for a pressure reducing valve, designated as Special Emphasis Material for use in crucial shipboard systems, with strict requirements for material certification, traceability, and quality assurance. The item must comply with specified Leslie Controls drawings and ASTM-A105 material, including quantitative chemical and mechanical analysis and testing certifications. Extensive welding, brazing, heat treatment, thread inspection, and configuration control requirements apply, with all waivers/deviations requiring Contracting Officer approval. A one-year warranty from delivery is required, and the contractor must provide a minimum 72-hour notification to DCMA for observation of new weld procedure qualifications.