A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5925-00-757-2947
NSN 5925-01-046-0375
NSN 5965-01-378-6937
NSN 6220-01-646-0555
NSN 5895-01-558-6759
NSN 5950-01-160-7625
NSN 6685-01-655-6321
NSN 6110-00-845-4871
NSN 5999-01-209-0658
NSN 6110-01-263-3744
NSN 5999-00-315-3805
NSN 6130-00-223-2099