A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5965-01-005-6617
NSN 5920-01-552-7140
NSN 6240-01-504-8772
NSN 5996-00-852-1730
NSN 4140-00-811-2297
NSN 4140-01-213-0151
NSN 5945-01-328-1864
NSN 5990-01-054-4255
NSN 5925-00-254-2683
NSN 5965-01-162-8689
NSN 5965-01-218-5003
NSN 6110-01-287-9607