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 6240-01-339-5100
NSN 5999-00-143-8489
NSN 6150-01-365-4285
NSN 6150-01-556-7388
NSN 6150-01-623-7895
NSN 4140-01-161-8075
NSN 7035-01-038-9970
NSN 5905-01-148-7727
NSN 6610-00-151-6690
NSN 5915-00-078-1818
NSN 5935-01-382-9629
NSN 6110-01-588-8191