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 4140-00-165-6535
NSN 5930-01-161-3736
NSN 5999-01-627-4852
NSN 5996-01-081-6809
NSN 6685-00-120-1009
NSN 5925-00-290-4451
NSN 5960-01-163-8905
NSN 6105-01-521-4282
NSN 6620-01-474-4951
NSN 6220-00-113-3166
NSN 6685-01-188-7157
NSN 5935-00-494-8400