A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 7035-00-142-9076
NSN 5910-01-067-3404
NSN 2925-01-423-8141
NSN 5910-00-140-0039
NSN 6610-01-085-1364
NSN 6685-01-503-2606
NSN 6610-01-044-4740
NSN 5925-01-432-2731
NSN 5855-00-361-0167
NSN 6105-01-592-5969
NSN 5950-01-124-2102
NSN 5855-01-513-5684