This is a total small business set-aside contract for a specialized, critical shipboard component (a stem for a ball valve) designated as SPECIAL EMPHASIS material, requiring strict quality and traceability controls. The contractor must provide and maintain a quality system per ISO-9001, submit a Certificate of Compliance, and ensure material traceability with certifications for chemical and mechanical analysis. Final delivery of material is required within 365 days after the effective date of the contract, with certification data due 20 days prior to scheduled delivery. Performance of services will be at the contractor’s facility, subject to Government quality assurance at source. No budget amount is specified.