This is a procurement for a seat ring for a 1/2 inch globe valve, designated as SPECIAL EMPHASIS (Level I) material for a crucial shipboard system, requiring stringent quality and traceability controls. The final delivery of material must occur on or before 365 days after the effective date of the resulting contract. The work involves supplying material in accordance with NAVSEA drawing 803-6397434 and specifications including MIL-DTL-24252, with requirements for chemical/mechanical analysis, ultrasonic inspection, and comprehensive certification. The contractor must maintain a quality system in accordance with ISO-9001 (or MIL-I-45208) and is subject to Government Quality Assurance at source, with performance locations not to be changed without authorization. The contract is a DO-rated priority order for national defense and is set aside for small businesses.