A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5990-00-893-8998
NSN 7035-00-442-1869
NSN 5999-01-633-2691
NSN 5930-00-568-1011
NSN 5895-00-476-6954
NSN 6110-00-777-8749
NSN 6105-01-539-5332
NSN 6220-01-463-3380
NSN 6685-00-364-0821
NSN 5996-00-192-3597
NSN 5915-01-657-8251
NSN 5895-01-391-5682