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 6610-00-900-7685
NSN 6320-01-056-1164
NSN 6220-01-528-7232
NSN 6105-01-300-7594
NSN 5935-00-466-3571
NSN 5930-01-029-0808
NSN 5999-01-113-8734
NSN 6150-01-293-5951
NSN 6685-01-185-3968
NSN 5935-01-436-2295
NSN 5855-01-406-7237
NSN 6110-01-035-0427