6625-00-240-7524 (MIL-M-23167)
6625-00-240-7524 is equivalent to manufacture part number 4991-025. It is a electrical frequency meter 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.