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 6130-01-193-6688
NSN 4140-01-279-1749
NSN 5920-00-642-8583
NSN 5945-01-290-6662
NSN 5920-01-474-5404
NSN 5855-00-763-2155
NSN 5835-00-997-4680
NSN 6620-01-415-5803
NSN 5945-00-954-8237
NSN 5950-00-149-0486
NSN 5998-01-476-8935
NSN 6620-01-176-3530