This opportunity is for the procurement of 12 Heat Exchanger, Air spares (with a minimum of 3 and maximum of 18) and 1 First Article, used on the B-2 aircraft. The required delivery for the production items is 24 February 2027, with early delivery acceptable. Performance of services and delivery will be to Tinker AFB, Oklahoma. The only qualified sources are Hamilton Sundstrand Corporation and Aero Core X, and the government intends to solicit from a limited number of sources under FAR 6.302. No budget information was specified in the description.