This is a procurement for up to 215 spare fan vane segments made of nickel alloy for the F100 engine, with a required delivery of 143 units starting on or before April 30, 2027. The services are to be performed for delivery to Tinker AFB in Oklahoma. The notice states the Government intends to solicit and negotiate with only one or a limited number of sources, specifically identifying RTX Corporation as a qualified source. Qualification requirements exist for this contract.