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 5960-01-495-0859
NSN 2925-01-562-8051
NSN 6130-01-032-0937
NSN 5855-01-195-2518
NSN 6645-00-780-5260
NSN 6105-01-607-6217
NSN 6620-01-423-2612
NSN 5945-01-262-6789
NSN 4140-01-417-7552
NSN 5855-01-385-8846
NSN 5920-00-288-5849
NSN 5920-01-590-9191