This is a total small business set-aside for a Navy contract to manufacture a specialized stop check valve stem for a crucial shipboard system, designated as Special Emphasis (Level I) material. The work involves strict compliance with detailed Navy drawings and specifications, including requirements for material certification, traceability, and quality systems per ISO-9001. The contractor must perform specific testing, such as dye penetrant and ultrasonic inspections, and submit various certifications and quality documentation. Performance of services location is not specified, and no budget amount is provided. The contract will be awarded bilaterally and is DO-rated for national defense under the Defense Priorities and Allocations System.