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 6135-01-449-0625
NSN 5920-01-394-8735
NSN 5950-00-139-1796
NSN 5965-01-178-7853
NSN 6150-00-090-6982
NSN 5985-01-381-1925
NSN 4140-00-355-5364
NSN 5990-00-258-0228
NSN 6110-00-271-9928
NSN 5965-00-646-4678
NSN 5999-01-587-5241
NSN 6320-00-371-8335