This opportunity is for the acquisition of 5 units of a specific part (NSN 3H-3110-010542626-NT) with delivery FOB Origin. The part requires engineering source approval, and only approved sources with unique design capability and data rights can supply it, as the technical data is not economically available to the Government. Alternate sources must qualify through procedures approved by the cognizant Government engineering activity. Interested parties may obtain relevant military and federal specifications from the DoD Single Stock Point in Philadelphia, PA. The Government is not using commercial item acquisition policies, but interested parties may identify their capability to satisfy the requirement with a commercial item within 15 days of this notice.