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 4140-00-249-5603
NSN 5925-00-617-7058
NSN 6135-01-574-2040
NSN 5999-00-288-0074
NSN 5895-00-949-9591
NSN 6135-00-491-9864
NSN 5895-01-654-7154
NSN 6320-00-731-6134
NSN 5935-01-058-2813
NSN 5910-00-066-2296
NSN 5945-00-167-2756
NSN 5975-00-734-6243