A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 5910-00-215-6727
NSN 6150-00-472-1779
NSN 6130-01-367-6010
NSN 6610-01-132-1898
NSN 2925-00-856-0115
NSN 5915-00-364-3650
NSN 5915-01-331-4022
NSN 6110-01-167-8906
NSN 5999-01-312-2491
NSN 6110-00-752-2757
NSN 6610-01-354-7963
NSN 7035-00-391-6345