A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5835-01-632-6627
NSN 5930-00-571-4706
NSN 5910-00-457-4415
NSN 6145-00-635-2680
NSN 6650-01-353-9299
NSN 6135-00-635-9187
NSN 6320-01-039-5891
NSN 4140-00-189-0235
NSN 5895-01-018-4103
NSN 4140-01-139-6192
NSN 6135-00-152-8729
NSN 2925-00-185-1618