A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5915-00-182-8068
NSN 5999-00-025-9957
NSN 6240-01-463-8276
NSN 5999-00-801-4296
NSN 6150-01-477-5226
NSN 5996-01-386-9694
NSN 4140-01-451-4180
NSN 5895-00-031-3591
NSN 6130-00-541-8468
NSN 5965-00-840-6542
NSN 5998-01-381-2536
NSN 4140-01-367-3638