A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6145-00-103-3385
NSN 5920-01-211-5557
NSN 5985-01-065-1675
NSN 5905-00-246-6672
NSN 6620-01-116-3983
NSN 6320-01-478-9351
NSN 5925-00-529-0441
NSN 5930-01-197-6672
NSN 5945-01-442-7188
NSN 6650-01-584-6438
NSN 5930-01-416-4268
NSN 6620-01-229-7381