Ontic Engineering and Manufacturing Inc., Chatsworth, California, has been awarded a maximum $16,160,977 requirements contract for aircraft items. This was a sole-source acquisition using justification 10 U.S. Code 2304 (c)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a subsumable contract under umbrella contract SPE4A5-22-D-0002. This is a four-year base contract with one five-year option period. The performance completion date is March 27, 2027. Using military services are Army, Navy, Air Force, and Marine Corps. Type of appropriation is fiscal 2023 through 2027 defense working capital funds. The contracting activity is the Defense Logistics Agency Aviation, Richmond, Virginia (SPE4A5-23-D-P000).