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 6130-01-608-4821
NSN 6135-00-078-9931
NSN 6320-00-149-7570
NSN 5945-01-456-7212
NSN 5935-00-247-4642
NSN 5895-01-262-9433
NSN 5996-00-659-9187
NSN 5985-01-363-3515
NSN 5999-00-725-8173
NSN 4140-01-156-0445
NSN 5935-01-131-1752
NSN 6650-01-571-1764