A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5990-01-581-5103
NSN 6685-01-117-5846
NSN 6320-01-036-2598
NSN 5895-01-268-7337
NSN 5930-01-273-2916
NSN 5996-00-058-5867
NSN 5990-01-365-6016
NSN 5945-01-054-3722
NSN 5910-01-119-3647
NSN 6145-01-233-7827
NSN 7035-00-620-6835
NSN 6650-01-392-6076