This opportunity is for the acquisition of 4 units of a specific part (NSN 7R-6610-999591446-H5) that requires delivery FOB Origin. The part is flight-critical and requires Government source approval, as only previously approved sources have been solicited due to unique design and data rights. Any new source must submit detailed qualification information as outlined in the NAVSUP WSS Source Approval Brochures, and failure to provide all required data will result in disqualification. The Government intends to solicit and negotiate with only one source under FAR 6.302-1, but all responsible sources may submit proposals or capability statements. No specific budget amount or performance location is mentioned in the description.