A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6150-01-013-4066
NSN 6685-01-149-7616
NSN 5920-00-284-7834
NSN 6145-00-913-0037
NSN 5975-00-276-7559
NSN 6645-01-459-5862
NSN 5920-01-551-1295
NSN 6110-01-317-3780
NSN 5915-00-987-1542
NSN 6110-00-090-3690
NSN 6610-00-682-6215
NSN 5950-00-001-8475