A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 2925-00-545-2285
NSN 5895-01-416-2885
NSN 5999-01-298-7444
NSN 5920-01-610-8905
NSN 5935-00-888-7621
NSN 6685-00-177-6491
NSN 6145-01-255-3630
NSN 6620-00-849-0450
NSN 5930-01-367-2786
NSN 5855-01-156-0417
NSN 5960-01-343-5912
NSN 5910-01-321-9399