Bell Helicopter Textron Inc., Fort Worth, Texas, has been awarded a maximum $27,515,180 modification (P00018) against a five-year contract (SPE4AX-17-D-9410) adding five national stock numbers for stabilizer bar assemblies, pylon mast assemblies, trans case assemblies, quill assemblies and rotary wing blades in support of UH-1N and TH-1H helicopters. This is a fixed-price, requirements contract. Location of performance is Texas, with a Sep. 30, 2023, performance completion date. Using military service is Air Force. Type of appropriation is fiscal 2019 through 2023 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Philadelphia, Pennsylvania.