A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 7035-01-594-6986
NSN 5999-01-568-4511
NSN 5895-01-158-9142
NSN 6685-00-419-0643
NSN 6320-00-336-9123
NSN 6685-00-148-9729
NSN 6110-01-258-0801
NSN 5895-01-334-2423
NSN 6110-00-878-9118
NSN 7035-01-526-0191
NSN 5998-01-533-6794
NSN 6135-01-186-4010