A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5975-00-197-9762
NSN 5935-01-396-2560
NSN 5910-01-394-6109
NSN 5950-00-336-3316
NSN 6220-00-781-0451
NSN 5996-01-445-5528
NSN 5999-01-319-6660
NSN 6610-00-377-7956
NSN 5895-00-126-6922
NSN 6610-00-111-3648
NSN 6240-01-633-9357
NSN 5945-00-727-4923