This is a spares procurement for a #5 bearing support assembly used on the F100 engine, made of nickel alloy. The required quantity is 22 each, with a contract range of 6 to 36 units. Delivery is to Tinker AFB, Oklahoma, with all 22 units due to begin on or before 31 March 2028. RTX Corporation is the only qualified source, and qualification requirements apply. The government intends to negotiate with this limited source, though other responsible parties may express interest and submit capability information for consideration.