A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5835-01-005-0763
NSN 6105-01-394-8589
NSN 6620-01-284-6526
NSN 5925-00-654-1687
NSN 6220-01-294-0764
NSN 5985-00-833-9393
NSN 6145-00-810-3935
NSN 5998-01-079-6935
NSN 6220-00-167-5441
NSN 5999-00-639-3447
NSN 6610-01-527-1599
NSN 5935-01-503-3446