This notice is for market research to identify parties interested in providing repair services for NSN 1680-015817912, P/N 37900-501-2012. The government intends to negotiate with only one source under FAR 6.302-1, but all responsible sources may submit capability statements. Proposals must be received by 4:00 PM Eastern Time on August 14th, 2026, to be considered. Source Approval is required, and the government will not delay award while approval is pending. The location for performance of services is not specified.