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 4140-01-591-4012
NSN 5945-01-340-8784
NSN 5915-01-282-4642
NSN 5990-01-147-5225
NSN 5965-01-425-2039
NSN 5945-01-484-7194
NSN 5950-01-364-4902
NSN 5835-00-946-2656
NSN 6105-01-599-0901
NSN 6320-01-462-2295
NSN 5960-00-884-2535
NSN 6645-01-434-9993