This opportunity involves the acquisition of two units of a specific part (NSN 1H-5845-015938992-ST) that requires engineering source approval from the design control activity. The part must be sourced from an approved supplier due to unique design, engineering, and manufacturing knowledge that is not economically available to the government. Any alternate source must qualify through procedures approved by the cognizant government engineering activity. Delivery is required FOB origin, and interested parties can obtain relevant military and federal specifications from the DoD Single Stock Point in Philadelphia, PA. No specific budget amount or performance location is mentioned.