A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5915-01-232-6058
NSN 5910-01-504-5616
NSN 5999-00-063-1803
NSN 6685-00-102-1384
NSN 5915-00-278-5561
NSN 5999-01-144-3831
NSN 5915-01-564-7706
NSN 5920-01-204-4921
NSN 5945-00-164-2462
NSN 6105-01-630-1582
NSN 5905-01-215-8652
NSN 5960-01-301-3315