This is a contract for a Parts Kit for a size 2 1/2 inch Ball Valve for a crucial Navy shipboard system, requiring strict quality assurance and material traceability to prevent catastrophic failure. The material is designated as SPECIAL EMPHASIS (Level I), and suppliers must have an acceptable Quality Assurance Manual, such as ISO 9001, to be eligible for award. The contract includes a one-year warranty from the date of delivery and is a "DO" rated priority order under the Defense Priorities and Allocations System (DPAS). Final delivery of the material is scheduled for TBD days after the effective date of the contract.