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 6320-01-512-2031
NSN 6110-00-730-8143
NSN 5920-01-552-4502
NSN 6685-00-651-4459
NSN 6320-01-538-4782
NSN 5996-01-645-2096
NSN 5935-01-345-1940
NSN 6105-01-658-1456
NSN 6105-00-501-7451
NSN 5965-01-651-0092
NSN 5999-00-679-9934
NSN 6650-00-788-1461