A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6610-00-191-5317
NSN 5945-01-184-1225
NSN 6220-01-391-7204
NSN 5975-01-376-3972
NSN 5905-01-421-4421
NSN 5996-00-431-9895
NSN 6135-00-840-6451
NSN 6240-01-331-0841
NSN 6110-01-046-9531
NSN 6130-00-165-3858
NSN 5915-00-868-2145
NSN 6650-00-482-8984