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
NSN 2925-00-323-6620
NSN 5905-01-361-1514
NSN 7035-01-278-1379
NSN 5915-01-116-2932
NSN 5945-01-407-4181
NSN 6650-01-340-0070
NSN 5950-00-248-6921
NSN 5920-00-251-2962
NSN 6130-01-395-6926
NSN 5999-01-546-6293
NSN 6110-01-167-8906