A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5950-01-358-7360
NSN 6130-01-328-0447
NSN 5925-00-044-3194
NSN 6645-01-179-0243
NSN 5915-00-370-4813
NSN 4140-01-048-0484
NSN 6220-01-010-3958
NSN 6685-01-346-7677
NSN 6135-01-424-1114
NSN 5999-01-351-7318
NSN 6220-00-878-7301
NSN 5950-01-474-9643