This is a total small business set-aside contract for the repair of a VALVE, CHECK, with performance required at the contractor's facility. The contractor must meet the operational and functional requirements of the specified cage code and reference number, and all repair work must follow approved standards. The item is intended for use on submarines or surface ships, requiring it to be mercury-free and cleaned in accordance with MIL-STD-1330. A one-year warranty applies after delivery, and the contractor must retain inspection records for 365 calendar days after final delivery. No budget amount or performance location is specified in the description.