A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5855-01-274-5311
NSN 6685-01-555-6681
NSN 6135-00-182-7008
NSN 5975-01-362-7101
NSN 6620-01-479-7221
NSN 5920-01-426-4207
NSN 6620-00-305-8481
NSN 5895-01-503-4221
NSN 6685-00-275-9166
NSN 5855-01-180-5369
NSN 6240-00-518-3541
NSN 5895-00-203-2379