A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6105-01-360-9450
NSN 7035-00-628-3471
NSN 5999-01-005-5597
NSN 6620-00-079-0311
NSN 2925-00-149-0760
NSN 5975-00-646-8887
NSN 6145-01-412-6046
NSN 6240-01-165-2693
NSN 5990-00-912-9166
NSN 6130-00-411-6308
NSN 5935-01-521-3291
NSN 6135-01-010-0891