This opportunity involves the acquisition of 19 units of a specific part (NSN 7R-6110-003313620-EL) that requires engineering source approval from the design control activity to maintain quality. The part can only be acquired from approved sources due to unique design, manufacturing knowledge, and data rights that are not economically available to the government. The government intends to solicit and negotiate with only one source under FAR 6.302-1, but all responsible sources may submit capability statements for consideration. Delivery is FOB origin, and no budget amount is specified in the description. The location for performance of services is not mentioned.