The requirement is for 69 EA of part reference 5146T31P01, delivered FOB origin. The part requires engineering source approval by the design control activity to maintain quality. Approved sources retain unique design capability, engineering skills, manufacturing/repair knowledge, and essential data rights or technical data not economically available to the Government. An alternate source must qualify under the design control activity’s procedures, as approved by the cognizant Government engineering activity. Qualification procedures must also be approved by the Government engineering activity with jurisdiction over the part’s intended application.