A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5990-01-269-2111
NSN 5945-01-325-7352
NSN 6320-00-643-0958
NSN 5999-01-158-0455
NSN 5920-01-211-5557
NSN 6145-00-114-0197
NSN 6150-00-081-2063
NSN 5996-01-646-5174
NSN 5945-00-899-2447
NSN 5935-01-344-8297
NSN 6320-01-512-2031
NSN 5985-00-339-2318