A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5835-01-218-5560
NSN 2925-00-447-0788
NSN 6150-00-852-9235
NSN 5925-01-502-6475
NSN 6105-01-273-3938
NSN 6145-01-648-6784
NSN 5996-00-630-1883
NSN 6650-00-590-9073
NSN 6105-01-084-6836
NSN 6150-00-753-3950
NSN 5835-00-198-4936
NSN 6220-01-470-5588