The Government intends a sole-source procurement from Fisica Applied Technologies, Inc. for 15 spark gap switches (P/N 50264) and cathode tip, hemisphere (P/N T000064327), citing OEM uniqueness and performance/test specification requirements for continued operations. The intended source is located in San Leandro, CA. The requirement was issued on 21 October 2026. Responsible sources may submit capability statements for consideration, but the Government retains discretion on whether to compete, and contractors must be registered in SAM.