A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5835-01-316-3255
NSN 5998-00-597-7175
NSN 4140-01-235-3921
NSN 6220-01-628-3275
NSN 6240-00-600-7138
NSN 5960-00-688-9125
NSN 5895-01-266-6743
NSN 5965-01-300-9663
NSN 6620-01-499-1492
NSN 5905-01-442-6616
NSN 6110-01-246-2673
NSN 6320-01-513-9166