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 6610-01-039-0788
NSN 6150-01-475-1236
NSN 2925-01-014-0118
NSN 5945-01-398-4740
NSN 6650-00-140-8776
NSN 5925-01-173-2841
NSN 5985-00-007-5477
NSN 5999-01-559-4665
NSN 5960-01-450-8539
NSN 5985-00-100-0140
NSN 6145-00-674-1807
NSN 5999-00-269-5320