This is a small business set-aside contract for a **Parts Kit for a Ball Valve** used in a crucial shipboard system, designated as SPECIAL EMPHASIS (Level I) material. The contractor must provide a quality system per ISO-9001 and meet extensive traceability, certification, and welding requirements for the ball and seat components. Performance is required at the contractor's facility, with Government quality assurance at source, and the requested delivery schedule is **540 days**. The contract is rated DO for national defense under the Defense Priorities and Allocations System.