A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5915-01-274-0587
NSN 7035-01-132-7209
NSN 5915-01-250-6809
NSN 5925-00-739-2240
NSN 5990-01-514-8708
NSN 6650-00-170-5095
NSN 5855-01-468-4996
NSN 6320-01-449-1014
NSN 5935-01-388-2681
NSN 4140-00-486-0396
NSN 6135-01-222-0703
NSN 6650-01-499-5673