A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5996-00-833-2521
NSN 6130-01-262-0693
NSN 5950-01-525-7638
NSN 6645-00-108-6479
NSN 5930-00-183-9373
NSN 7035-00-631-3782
NSN 6130-00-541-7333
NSN 6645-01-564-7617
NSN 5998-00-147-4123
NSN 5985-00-131-0189
NSN 5920-00-175-1171
NSN 5925-00-525-4037