A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5985-01-584-9894
NSN 6220-00-998-0552
NSN 6645-00-981-7218
NSN 7035-01-391-3518
NSN 5855-00-160-2286
NSN 6320-01-265-0665
NSN 5960-01-017-5449
NSN 5950-00-295-3034
NSN 6110-01-371-8639
NSN 6150-01-363-4805
NSN 6320-00-343-1798
NSN 5925-01-422-0431