6680-01-224-9872 (S9553-CG-MMO-010FIG)
6680-01-224-9872 is equivalent to manufacture part number D954-1002. It is a self-gener electrical tachometer and is classified under Federal Supply Class 6680 (6680 - Flow and Level Measuring Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6680 - Flow and Level Measuring Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.