This is a contract for the procurement of a "Union nut" made from ASTM-B150, alloy C63200, designated as SPECIAL EMPHASIS (Level I/Scope of Certification) material for a crucial shipboard system. The final delivery of material is required on or before 365 days after the effective date of the resulting contract. The work involves strict quality assurance, including material traceability, welding procedure approvals, and certifications, requiring the contractor to maintain a quality system in accordance with standards like ISO-9001. Performance and Government Quality Assurance will occur at the contractor's or subcontractor's source facility, which cannot be changed without authorization.