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 5905-01-112-0271
NSN 2925-01-391-9247
NSN 5930-01-349-8443
NSN 6240-00-065-6812
NSN 5996-01-153-9543
NSN 5990-00-031-3586
NSN 5895-01-167-8905
NSN 6610-00-049-6497
NSN 5960-01-448-2282
NSN 6130-00-497-8419
NSN 6110-01-619-8262
NSN 6145-00-240-4532