A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5999-01-434-5670
NSN 5905-01-654-7978
NSN 6105-01-444-0795
NSN 6105-01-151-3494
NSN 5930-01-278-5731
NSN 7035-00-946-2642
NSN 6620-01-242-7236
NSN 5855-01-542-9059
NSN 6620-01-529-6665
NSN 5998-01-188-7555
NSN 5895-01-605-4620
NSN 6110-01-206-5162