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 6130-01-400-6123
NSN 6685-01-192-8759
NSN 2925-01-141-7563
NSN 5855-01-514-9857
NSN 5855-00-832-9341
NSN 6105-00-707-4903
NSN 5996-01-027-7492
NSN 6130-01-384-3290
NSN 6620-01-398-8986
NSN 6685-01-029-8426
NSN 4140-00-288-9826
NSN 4140-01-326-5730