A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5990-01-263-9364
NSN 6105-01-546-0591
NSN 5999-00-309-5599
NSN 5945-01-132-2290
NSN 5920-01-464-3105
NSN 2925-00-228-8854
NSN 6685-01-190-5458
NSN 6650-01-112-0453
NSN 5905-01-252-9013
NSN 5905-01-336-5303
NSN 6110-00-936-2110
NSN 5905-01-056-5014