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 4140-00-930-7528
NSN 6150-00-738-2470
NSN 5855-00-925-0114
NSN 2925-01-572-0539
NSN 5920-01-387-9972
NSN 6220-01-420-5986
NSN 6220-01-182-1083
NSN 6220-00-592-0268
NSN 5835-01-487-3042
NSN 5935-01-463-2807
NSN 5999-01-391-7475
NSN 6620-00-417-6285