A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6650-01-126-3101
NSN 5905-01-154-1796
NSN 6130-01-207-1414
NSN 6320-00-593-0379
NSN 5895-01-062-7293
NSN 6220-00-403-9021
NSN 5835-01-447-2544
NSN 5950-00-763-2342
NSN 2925-00-159-0337
NSN 5945-01-100-4818
NSN 6320-00-831-2227
NSN 5915-01-442-6711