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 5920-00-989-7254
NSN 6320-01-050-1290
NSN 2925-00-167-6762
NSN 6145-01-534-9881
NSN 6110-00-636-1234
NSN 5975-00-940-7820
NSN 2925-01-381-5307
NSN 6130-01-037-4828
NSN 6685-00-398-0341
NSN 6320-01-495-1244
NSN 5998-01-381-0754
NSN 6130-01-605-3558