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 6320-01-357-3222
NSN 6130-01-483-1779
NSN 5935-01-429-3423
NSN 6110-01-282-2329
NSN 5905-00-010-3012
NSN 5998-01-260-2213
NSN 6650-01-203-1632
NSN 5998-01-441-2307
NSN 5999-01-312-8412
NSN 6110-01-032-5075
NSN 6220-00-149-0977
NSN 2925-00-845-1480