A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 4140-00-080-8740
NSN 6620-01-492-4271
NSN 5925-00-999-6032
NSN 5965-01-304-6906
NSN 5996-01-516-4518
NSN 5915-01-430-2228
NSN 5975-01-175-8839
NSN 6685-01-186-2008
NSN 6150-01-398-1138
NSN 5975-00-552-8222
NSN 7035-00-703-3535
NSN 4140-01-356-2936