A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5895-01-372-2880
NSN 5999-01-183-0221
NSN 6105-01-186-1695
NSN 6620-01-068-4498
NSN 6135-00-276-7625
NSN 5999-01-515-3520
NSN 5965-01-463-2815
NSN 6150-01-125-8334
NSN 5935-01-492-5791
NSN 6685-01-553-5459
NSN 6650-01-505-0661
NSN 5960-00-844-5968