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 5920-00-180-0223
NSN 5930-00-100-5736
NSN 6650-01-406-4959
NSN 6645-01-563-8763
NSN 5895-01-068-4355
NSN 5998-01-485-5141
NSN 5930-00-114-0665
NSN 4140-00-484-1137
NSN 6150-01-538-1663
NSN 6650-00-211-6302
NSN 6150-00-740-8011
NSN 5965-01-633-8849