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 5915-00-174-0474
NSN 5835-01-583-5385
NSN 5960-01-353-3972
NSN 6240-01-368-0762
NSN 5999-00-562-5435
NSN 5945-00-655-4444
NSN 5975-01-257-2082
NSN 5975-01-014-6161
NSN 6220-01-435-1681
NSN 2925-01-507-9708
NSN 5945-01-348-2489
NSN 6240-01-558-2221