This requirement is for the manufacture and supply of seats for 2, 2½, and 3-inch ball valves, made from Delrin (Teflon-filled acetal) per a specific shipbuilding drawing, for use in a critical shipboard system. It is a total small business set-aside under emergency acquisition flexibilities, with the award requiring bilateral written acceptance and a national defense priority rating. The contract includes extensive quality assurance and special emphasis material controls, including ISO-9001 quality system requirements, material traceability and certification, and Government source inspection. Strict compliance with material properties, inspection, testing, and configuration control procedures is mandated, with waivers/deviation requests requiring Contracting Officer approval. No budget, performance location, or non-bid submission timelines are specified in the description.