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 6135-01-271-7151
NSN 6320-00-925-0558
NSN 6145-01-254-2935
NSN 5985-00-138-7744
NSN 6130-01-597-0119
NSN 6610-01-465-1320
NSN 2925-00-010-9609
NSN 7035-00-177-1557
NSN 4140-00-938-3307
NSN 5945-00-890-4491
NSN 5990-01-258-3848
NSN 5996-01-446-5097