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 6610-00-488-3780
NSN 5855-01-576-4223
NSN 6650-00-705-0269
NSN 6145-00-959-5897
NSN 5990-01-553-6859
NSN 6650-01-630-2223
NSN 4140-01-160-8934
NSN 2925-00-147-3801
NSN 5925-01-014-4779
NSN 7035-01-364-8454
NSN 5960-01-004-3994
NSN 6620-01-517-0014