A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5935-01-021-5703
NSN 5950-00-950-3283
NSN 5915-01-287-8188
NSN 5945-01-498-0330
NSN 6150-01-580-0792
NSN 5835-00-921-1662
NSN 5935-01-181-5678
NSN 5910-00-923-6684
NSN 5910-01-649-1475
NSN 6650-01-529-6721
NSN 7035-01-236-5743
NSN 5960-00-553-5792