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 6240-01-080-5797
NSN 5996-00-495-3086
NSN 5998-01-595-5319
NSN 5920-00-908-1929
NSN 6240-00-372-4841
NSN 5996-01-100-4361
NSN 6685-01-445-1055
NSN 4140-01-510-9642
NSN 6620-01-206-5748
NSN 5855-01-325-9507
NSN 5985-00-149-1473
NSN 7035-00-991-6877