This opportunity is for a parts kit for a 10-inch ball valve, designated as SPECIAL EMPHASIS material for a crucial shipboard system, with performance expected at the contractor's facility. The contract is a total small business set-aside under Emergency Acquisition Flexibilities and will be awarded bilaterally. The contractor must provide and maintain a quality system per ISO-9001, with extensive requirements for welding, testing, and certification, including a Certificate of Compliance. The material must be mercury-free, and all waivers or deviations require Contracting Officer approval. No budget amount or submission timeline is specified.