Ontic Engineering and Manufacturing Inc., Chatsworth, California, has been awarded a maximum $17,624,558 requirements contract for spare parts used in multiple weapons systems. This was a sole-source acquisition using justification 10 U.S. Code 2304 (c)(1), as stated in Federal Acquisition Regulation 6.301-1. This is a five-year base contract with one five-year option period. Location of performance is California, with a March 27, 2027, performance completion date. Using military services are Army, Navy, Air Force and Marine Corps. Type of appropriation is fiscal 2022 through 2027 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Richmond, Virginia (SPE4A5-22-D-0002).