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 6150-00-422-1254
NSN 5999-01-642-4484
NSN 6145-00-833-0155
NSN 5910-01-224-6163
NSN 5935-01-354-2545
NSN 6240-01-169-6488
NSN 5998-01-177-7746
NSN 6645-01-025-1002
NSN 6610-00-301-6365
NSN 6320-01-449-1014
NSN 6650-00-641-6139
NSN 6220-01-019-7606