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 6110-00-172-6126
NSN 5920-01-609-1404
NSN 5996-01-461-7193
NSN 5910-01-381-2767
NSN 5990-01-548-3711
NSN 5835-01-173-1578
NSN 5950-01-334-4406
NSN 6620-01-213-8772
NSN 6105-01-457-9486
NSN 6620-00-104-6937
NSN 5855-01-138-4985
NSN 6620-01-138-0089