This opportunity is for a critical shipboard check valve requiring Level I Oxygen Clean and Special Emphasis material controls, with performance expected at the contractor's facility under Government quality assurance at source. The contract is a total small business set-aside under the Emergency Acquisition Flexibilities, with a DO national defense priority rating under the Defense Priorities and Allocations System. The contractor must provide a quality system per ISO-9001 with specific calibration and testing certifications, and all items must comply with detailed NAVSEA specifications for materials, welding, and thread inspection. The award will be issued bilaterally, requiring written acceptance, and all contractual documents will be transmitted electronically. No budget amount or submission timeline is specified in the description.