A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6240-01-258-6298
NSN 5915-01-182-8133
NSN 6135-01-487-5336
NSN 5985-00-186-0732
NSN 5950-00-968-4527
NSN 6650-01-007-4744
NSN 5915-01-477-4647
NSN 5996-01-115-6121
NSN 5990-01-633-9503
NSN 6130-01-269-5938
NSN 5835-01-529-3050
NSN 5985-00-125-7642