A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5950-01-364-1094
NSN 6645-00-678-0914
NSN 4140-00-551-3151
NSN 4140-00-898-4586
NSN 5920-01-146-4503
NSN 5835-00-980-0468
NSN 5965-00-147-3070
NSN 5950-01-031-7771
NSN 5996-01-263-7934
NSN 6110-01-261-1560
NSN 5935-01-463-4386
NSN 6610-01-164-2227