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 6620-01-647-8261
NSN 6105-01-052-5594
NSN 5945-01-196-5784
NSN 5996-01-150-0759
NSN 5960-01-124-7011
NSN 5996-01-556-1410
NSN 2925-01-219-9471
NSN 6135-00-377-9165
NSN 5999-00-895-4092
NSN 5920-01-323-6369
NSN 5930-00-171-5087
NSN 5965-01-085-6158