A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5895-00-074-2068
NSN 5905-01-542-5579
NSN 6145-01-293-5463
NSN 6645-01-187-6997
NSN 7035-01-448-0716
NSN 5950-01-227-2466
NSN 5960-01-305-0528
NSN 6240-01-206-4809
NSN 5920-00-763-8006
NSN 6645-00-933-2170
NSN 6145-01-577-2478
NSN 5930-01-433-1606