A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5930-00-925-0504
NSN 5935-01-623-3368
NSN 5895-00-456-0830
NSN 5915-00-248-5824
NSN 6150-01-314-0441
NSN 2925-01-133-8128
NSN 5930-01-131-4415
NSN 5998-00-171-8689
NSN 6220-01-586-4043
NSN 6320-01-117-5516
NSN 5905-01-501-9465
NSN 6610-00-852-9636