This is a total small business set-aside solicitation for the manufacture and delivery of 1 1/2 inch NPS Couplings, which are designated as SPECIAL EMPHASIS (Level I) material for a crucial shipboard system. The contract requires compliance with demanding quality, testing, traceability, and certification requirements, including ISO-9001 and material certifications for UNS C92200 or C90300 alloy. Award may be made at the CLIN level, potentially resulting in multiple awards to different vendors. The final delivery of material must occur within 365 days after the effective date of the contract, with certification data due 20 days prior to scheduled delivery and government review taking up to 30 working days. The resulting contract will be a DO-rated order certified for national defense use under DPAS.