A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5990-00-296-4825
NSN 6320-00-456-0836
NSN 5985-01-244-3355
NSN 5915-01-298-2830
NSN 5835-00-483-4838
NSN 5960-00-833-7438
NSN 5985-00-221-1563
NSN 5925-00-529-3950
NSN 4140-01-302-9015
NSN 5965-00-246-9582
NSN 5960-01-573-6483
NSN 5975-00-186-8884