This opportunity is a total small business set-aside for the manufacture of Teflon seats for a size 2 1/2 inch ball valve, designated as Special Emphasis material for a crucial shipboard system. The contract requires a quality system compliant with ISO-9001, with specific material certifications, traceability, and a Certificate of Compliance. Performance of services is at the contractor’s facility, with Government Quality Assurance at source, and any change of location requires Contracting Officer approval. The material must be mercury-free, and all waivers or deviations require Contracting Officer approval. No budget amount or submission timeline is specified.