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 6105-00-167-4231
NSN 6110-00-859-6864
NSN 6150-00-443-8034
NSN 5935-01-511-0486
NSN 4140-01-042-9066
NSN 6135-01-142-2417
NSN 5905-00-105-1978
NSN 5855-01-569-2994
NSN 5915-01-389-8302
NSN 6240-01-586-0275
NSN 6240-01-068-3491
NSN 5855-01-424-7477