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 5835-00-958-6231
NSN 6220-00-087-0284
NSN 6110-00-730-8143
NSN 5920-00-175-7987
NSN 6130-01-424-7104
NSN 5920-01-626-5520
NSN 6105-01-588-5587
NSN 6150-01-359-4876
NSN 5950-01-517-5112
NSN 2925-01-288-2091
NSN 6150-01-242-9898
NSN 6685-01-501-5362