This is a total small business set-aside for a Navy contract to manufacture a Stem Assembly for a 3-inch Ball Valve, designated as SPECIAL EMPHASIS material for use in a crucial shipboard system. The contractor must provide and maintain a quality system in accordance with ISO-9001, with strict requirements for material traceability, certification, and configuration control. Performance of services will be at the contractor's facility, with Government Quality Assurance at source, and the place of performance may not be changed without authorization. The contract includes a one-year warranty from the date of delivery and is DO-certified for national defense under the Defense Priorities and Allocations System. No budget amount or submission timeline is specified.