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 5999-00-141-9441
NSN 6620-01-379-3300
NSN 6150-00-081-7216
NSN 6610-00-533-3799
NSN 4140-01-317-1172
NSN 6650-00-408-4972
NSN 6645-00-258-8547
NSN 5998-00-137-7156
NSN 6130-01-648-2672
NSN 5998-01-373-3473
NSN 4140-00-211-5970
NSN 6150-01-436-0572