A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6620-01-395-4878
NSN 5855-00-185-1560
NSN 6320-01-312-3620
NSN 6320-01-225-0178
NSN 6620-01-569-3313
NSN 5990-00-931-6304
NSN 6130-00-740-3884
NSN 5998-00-933-0368
NSN 7035-01-591-3940
NSN 5998-01-417-2638
NSN 5985-00-799-2559
NSN 5965-01-298-6313