This requirement is for 20 units under TDP version 006, delivered FOB origin. The part requires engineering source approval by the design control activity to maintain quality, and approved sources retain essential data rights, manufacturing/repair knowledge, or technical data not economically available to the Government. Alternate sources must qualify under procedures approved by the cognizant Government engineering activity. Military/Federal specifications and standardized documents are available through DODSSP/ASSIST-Online, though patterns, drawings, deviation lists, and purchase descriptions are not stocked at DODSSP. The Government is not using FAR Part 12 commercial-item policies, but interested parties may identify commercial-item interest and capability to the contracting officer.