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 6620-00-006-6418
NSN 6240-01-336-1122
NSN 6650-01-578-5519
NSN 5835-00-198-4936
NSN 6240-00-395-0019
NSN 5945-01-203-4210
NSN 5998-01-449-1901
NSN 6220-01-461-2910
NSN 5930-00-081-1910
NSN 5835-00-572-7445
NSN 5910-00-014-6638
NSN 6685-01-211-5278