The requirement is for Cold Section Modules (NSN 2840015806609NZ; P/N 4089012-800 and 2840PL1190333) that supply air to the Core Module and are made of nickel alloy/titanium. Best estimated quantity is 30 EA, with delivery on or before October 29, 2027, to Tinker AFB, OK 73145-8000. The contract period is through October 29, 2027. The acquisition will use electronic procedures, and responsible sources may submit a capability statement, proposal, or quotation for consideration. The item was last purchased in 2011.