The Government requires 25 each of NSN 7H-6605-002092055 under TDP version 005, delivered FOB origin. The part requires engineering source approval by the design control activity because the approved source(s) hold unique design capability, engineering skills, manufacturing/repair knowledge, and data rights essential to quality; alternate sources must qualify under Government-approved procedures. The Government intends to solicit and negotiate with only one source under FAR 6.302-1, though responsible sources may identify interest and capability or submit proposals, quotations, or capability statements; this notice is not a request for competitive proposals. The acquisition is not being conducted under FAR Part 12 commercial-item policies, but interested parties may identify commercial-item capability to the contracting