A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6220-00-470-6828
NSN 5855-01-225-5855
NSN 6150-01-579-3977
NSN 5935-01-626-6017
NSN 6645-00-057-3499
NSN 5998-01-015-6474
NSN 5985-01-324-7026
NSN 6145-01-585-0969
NSN 4140-00-358-9965
NSN 5835-01-097-5693
NSN 5910-01-262-2837
NSN 5920-01-067-4897