This opportunity is for a fixed-price contract to supply a 1-inch NPS, 1500 PSI Restrictor Unit, designated as SPECIAL EMPHASIS (Level I) material for a crucial shipboard system. The material must be delivered within 365 days after the contract's effective date, with certification data due 20 days prior to that delivery. The contract is a total small business set-aside with a DO-rated priority for national defense, and performance will be at the contractor's facility with Government Quality Assurance at source. Offerors must have an acceptable Quality Control Manual on file, and the contract includes extensive quality, traceability, and certification requirements under ISO-9001 or an acceptable alternative.