A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6645-01-333-2035
NSN 5996-00-865-3513
NSN 5920-01-503-3653
NSN 5915-01-438-1550
NSN 5835-00-289-9080
NSN 6105-01-436-9059
NSN 5998-01-377-3656
NSN 5920-00-990-2291
NSN 5935-00-066-8540
NSN 5950-00-513-9596
NSN 5945-01-170-4432
NSN 5975-01-301-9440