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 5990-00-033-5159
NSN 6645-01-416-5794
NSN 6620-00-124-9515
NSN 2925-01-072-7101
NSN 6220-01-476-3947
NSN 6105-00-824-2364
NSN 6240-00-882-8487
NSN 5965-01-395-6691
NSN 5999-00-518-9721
NSN 2925-00-231-8041
NSN 5930-01-104-5295
NSN 5960-00-522-5231