A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 4140-01-658-4109
NSN 5930-00-845-8856
NSN 5990-01-128-7599
NSN 5915-00-587-8811
NSN 6150-00-186-7804
NSN 2925-01-076-5219
NSN 6320-01-172-6103
NSN 5999-00-181-2018
NSN 6685-00-100-4753
NSN 6650-01-254-3048
NSN 6610-01-553-8726
NSN 6220-01-574-0335