A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 4140-00-811-2297
NSN 6240-01-515-2400
NSN 2925-01-560-4123
NSN 5905-01-361-9076
NSN 6645-01-471-4960
NSN 6105-01-388-0394
NSN 6320-00-456-0836
NSN 6110-00-271-9928
NSN 6145-01-351-7195
NSN 4140-01-300-4779
NSN 5905-01-630-9775
NSN 6240-00-183-0750