A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6145-01-572-4430
NSN 5915-01-507-8871
NSN 5835-00-729-9305
NSN 6645-00-209-5778
NSN 4140-01-499-8711
NSN 5915-00-583-4970
NSN 5855-01-620-4801
NSN 6130-00-045-4431
NSN 6145-00-992-7617
NSN 2925-01-277-5882
NSN 5855-01-407-5058
NSN 6650-01-282-8015