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 6240-01-461-0800
NSN 6145-00-683-1166
NSN 4140-00-068-0267
NSN 6650-01-540-5157
NSN 6620-01-290-8209
NSN 5910-01-182-0143
NSN 6620-01-426-2220
NSN 5920-00-826-9035
NSN 6645-00-674-9728
NSN 4140-01-424-3271
NSN 5935-01-216-8840
NSN 6685-01-192-3051