A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5855-01-478-5757
NSN 6110-01-287-9607
NSN 6145-00-170-6872
NSN 6135-01-026-9960
NSN 6145-00-155-5297
NSN 6130-01-621-6629
NSN 5945-01-190-1295
NSN 6685-01-196-9575
NSN 5996-01-461-2694
NSN 5965-00-615-5731
NSN 5950-00-913-8147
NSN 5960-01-106-3086