A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5960-01-506-7039
NSN 6145-01-446-8268
NSN 6645-00-385-3684
NSN 6145-01-569-4122
NSN 5998-00-947-9407
NSN 6645-00-850-6486
NSN 5960-01-168-1063
NSN 5920-01-042-9351
NSN 5998-01-145-2455
NSN 5950-00-100-1345
NSN 7035-01-630-9675
NSN 5999-01-326-7670