A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6645-00-454-0930
NSN 5855-01-447-3137
NSN 5998-01-184-3309
NSN 5925-00-782-0115
NSN 5998-01-370-5926
NSN 5910-01-600-6708
NSN 6650-00-316-0260
NSN 6610-00-917-1480
NSN 5950-00-224-3797
NSN 5905-01-323-3774
NSN 5915-01-224-5594
NSN 2925-01-535-7235