A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6685-01-143-0199
NSN 6610-00-653-2812
NSN 6150-01-287-9079
NSN 5985-01-328-2868
NSN 6650-00-671-5106
NSN 5945-01-188-5268
NSN 5960-01-341-8484
NSN 5895-01-214-2867
NSN 5935-01-433-8884
NSN 6110-01-611-3306
NSN 5996-01-116-1988
NSN 5925-01-212-5707