This is a sole-source procurement notice for 2 units of a direct-acting linear valve (NSN 7H-4820-014167337-L1). The government does not own the data or rights needed for repair from other sources, and has determined it is uneconomical to buy the data or reverse engineer the part. Delivery will be to Portsmouth Naval Shipyard in Kittery, ME. Interested parties may submit capability statements for consideration, but this is not a request for competitive proposals. No budget amount is specified.