A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6145-00-582-1301
NSN 5905-00-896-9556
NSN 5895-00-959-2284
NSN 5930-00-492-0229
NSN 6220-01-186-1933
NSN 6685-01-505-9331
NSN 6105-00-372-4716
NSN 5835-01-369-7837
NSN 6220-01-274-6315
NSN 2925-00-149-0760
NSN 6110-01-171-0362
NSN 5910-01-611-0821