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 4140-01-400-3610
NSN 5895-01-498-0343
NSN 5990-01-393-4808
NSN 4140-01-647-0707
NSN 5998-01-580-0933
NSN 5835-01-595-4099
NSN 5910-00-132-0404
NSN 5835-01-632-6627
NSN 6220-01-332-7793
NSN 5945-01-634-0588
NSN 6240-00-082-1142
NSN 2925-01-027-1293