A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6685-01-314-7140
NSN 6650-01-254-7981
NSN 5835-01-391-4556
NSN 5945-01-588-6845
NSN 5990-00-734-7285
NSN 5835-01-218-5560
NSN 5835-01-604-6337
NSN 5960-00-436-2944
NSN 5920-01-203-6952
NSN 5985-00-186-8755
NSN 5945-01-524-7896
NSN 5998-00-229-4666