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 6145-01-320-1099
NSN 5945-00-185-4815
NSN 6620-01-529-6665
NSN 6610-01-051-2037
NSN 5996-01-385-6659
NSN 2925-01-625-6841
NSN 5920-01-398-0580
NSN 5905-01-203-9821
NSN 6220-01-554-2501
NSN 6145-00-904-3811
NSN 6685-00-661-2347
NSN 5945-00-725-1729