The US Air Force anticipates a Firm-Fixed Price, Requirements type contract to produce and deliver specific C-5 aircraft spare parts. The contract includes a 12-month basic ordering period and four 12-month ordering periods, with a total performance period from August 2026 for five years. The Government requires delivery within 36-38 weeks after receiving a funded order, and the parts are expected to remain in use on the C-5 fleet until approximately 2045. The Government intends to use Other Than Full and Open procedures, identifying Symetrics Industries, LLC (DBA: Extant Aerospace) as the only known capable source. Best Estimated Quantities for the parts are provided across the ordering periods.