A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.
NSN 5935-01-186-1341
NSN 5925-01-356-0445
NSN 5985-01-296-1153
NSN 6320-01-388-3125
NSN 6645-01-643-7151
NSN 5945-01-500-2140
NSN 5960-00-471-6286
NSN 5950-00-528-8659
NSN 5915-01-392-1184
NSN 5945-01-309-7366
NSN 6240-01-551-1722
NSN 5945-01-557-3319