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 6240-01-610-2124
NSN 5920-00-185-9587
NSN 5905-01-097-2258
NSN 5855-01-483-2346
NSN 6105-00-755-7087
NSN 5920-00-461-2621
NSN 2925-00-228-4021
NSN 5935-01-634-0668
NSN 5910-01-168-5757
NSN 6145-01-022-2097
NSN 5925-01-049-1289
NSN 6135-01-564-8390