A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5895-01-268-3071
NSN 6220-00-069-5239
NSN 4140-01-406-9922
NSN 4140-01-431-9065
NSN 5975-00-037-1276
NSN 5990-00-471-4975
NSN 5935-01-607-7406
NSN 5925-01-059-0275
NSN 5915-01-191-9172
NSN 6220-00-494-7228
NSN 5930-01-286-0677
NSN 5925-00-172-5070