A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5910-00-500-7599
NSN 4140-01-026-9293
NSN 4140-00-340-1592
NSN 5999-01-422-2962
NSN 6150-01-569-4422
NSN 2925-01-244-3016
NSN 6320-01-652-3806
NSN 6110-00-829-1052
NSN 6130-01-165-7341
NSN 6105-01-057-2794
NSN 5895-01-220-7165
NSN 6240-00-912-5186