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 5915-01-406-3165
NSN 5945-00-788-6234
NSN 6650-01-497-9983
NSN 5975-01-495-2613
NSN 6220-01-064-8535
NSN 6620-01-542-9999
NSN 6135-01-315-9214
NSN 5996-01-298-0499
NSN 5996-00-006-8128
NSN 4140-01-199-9771
NSN 6220-00-761-9520
NSN 7035-01-215-2449