This is a U.S. Navy procurement for a parts kit for a 1-inch ball valve, consisting of a ball and two seats, designated as SPECIAL EMPHASIS material for a crucial shipboard system. The contract requires a comprehensive quality system (ISO 9001 or MIL-I-45208), extensive testing and certification, and strict configuration control. Final delivery of material is due on a TBD date after the contract's effective date, and all required certification data must be submitted 20 days prior to that delivery. The performance location is not specified.