A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 2925-01-328-4394
NSN 5965-00-486-7907
NSN 6685-00-593-2257
NSN 6610-01-243-8506
NSN 5975-00-900-7177
NSN 5920-01-455-2393
NSN 5915-01-437-8671
NSN 5975-01-110-7686
NSN 6685-01-299-8505
NSN 7035-01-506-9957
NSN 5915-01-005-0164
NSN 5930-01-029-2174