A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 6150-00-148-8515
NSN 6610-01-318-6713
NSN 5835-01-017-7486
NSN 5910-01-386-3191
NSN 6610-01-580-0766
NSN 5975-00-034-7786
NSN 5915-00-177-5687
NSN 5965-00-898-1356
NSN 5945-00-593-3787
NSN 6220-00-445-1091
NSN 5930-00-489-7013
NSN 5960-01-103-5476