A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5998-01-322-6548
NSN 6110-01-013-9313
NSN 5945-01-258-1457
NSN 6645-00-163-9580
NSN 6135-01-142-2417
NSN 5895-01-607-6705
NSN 6610-01-623-9267
NSN 6685-01-660-9276
NSN 5855-00-760-3870
NSN 5925-00-518-8503
NSN 5915-00-503-4139
NSN 5999-01-032-3052