A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5915-00-162-8803
NSN 5930-01-444-4415
NSN 5925-00-251-3283
NSN 5965-01-328-7979
NSN 5930-00-620-7194
NSN 6145-01-035-4357
NSN 6650-00-144-4555
NSN 6110-00-788-8865
NSN 6240-00-209-1883
NSN 6145-01-444-0779
NSN 5999-00-078-9890
NSN 2925-01-633-4048