A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6130-01-389-0621
NSN 5945-01-196-4656
NSN 5965-01-473-6082
NSN 5895-01-457-6117
NSN 5895-00-840-3776
NSN 5855-01-054-9014
NSN 5935-00-959-5668
NSN 5905-01-545-5098
NSN 6220-01-577-9794
NSN 5910-01-352-7723
NSN 6135-01-380-4396
NSN 5965-00-768-4366