A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5935-01-241-1186
NSN 6620-01-039-5468
NSN 6105-00-758-7759
NSN 6650-00-496-8762
NSN 5925-00-410-7560
NSN 6610-00-598-5268
NSN 5855-01-355-5521
NSN 5950-00-769-6702
NSN 6240-01-256-0859
NSN 6135-01-568-3234
NSN 6320-00-682-3448
NSN 5925-00-269-2685