6625-01-264-6986 (ID-1641/SPN-43)
6625-01-264-6986 is equivalent to manufacture part number 177489-1. It is a radio frequency monitor and is classified under Federal Supply Class 6625 (6625 - Electrical and Electronic Test Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6625 - Electrical and Electronic Test Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.