6680-00-663-4214 (8DJ43AAM9)
6680-00-663-4214 is equivalent to manufacture part number 8DJ43AAM9. It is a electrical tachometer indicator 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.