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 6110-01-050-8119
NSN 6150-00-596-9253
NSN 5999-01-382-9776
NSN 5925-00-224-7426
NSN 6650-01-628-2743
NSN 5925-01-530-7738
NSN 6620-01-606-8964
NSN 6150-01-524-1029
NSN 6105-00-683-1000
NSN 4140-01-350-3277
NSN 5999-00-761-6685
NSN 5960-00-796-1664