6625-01-416-2805 (MET-D-212)
6625-01-416-2805 is equivalent to manufacture part number MET-D-212. It is a meter calibration ring 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.