This opportunity involves the acquisition of 57 units of a critical safety item (NSN 0R-2840-016666907-B8), with delivery required FOB origin. The part requires engineering source approval from the design control activity, and only approved sources with unique design, manufacturing, or repair knowledge can supply it. Alternate sources must undergo a qualification process approved by the cognizant Government engineering activity. No specific budget amount or performance location is mentioned in the description. The solicitation is issued under Emergency Acquisition Flexibilities (EAF) Authority.