A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6320-01-392-3531
NSN 5925-01-358-7316
NSN 6135-00-162-2437
NSN 6130-01-367-2869
NSN 5950-01-532-0260
NSN 6145-00-752-2038
NSN 6110-01-608-3775
NSN 6610-01-050-3075
NSN 5835-01-250-2939
NSN 5960-00-422-5376
NSN 5999-00-702-7607
NSN 5965-01-485-4542