This contract is for the supply of NSN 7H-4820-016109907 (quantity 6) with delivery FOB origin. The only approved source is Sargent Aerospace & Defense LLC, as the government does not own the technical data needed for alternative procurement and has determined it uneconomical to obtain or reverse engineer the part. The government intends to negotiate with only this source under FAR 6.302-1, but all responsible parties may submit capability statements. No budget amount or performance location is specified. This notice is not a request for competitive proposals, though responses may influence a decision to compete.