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 6620-01-015-2470
NSN 6620-01-038-3242
NSN 4140-01-531-1617
NSN 5996-01-324-2449
NSN 6650-01-373-7541
NSN 6145-00-911-9245
NSN 4140-01-474-7950
NSN 4140-01-233-9662
NSN 4140-01-104-3731
NSN 5965-01-227-4517
NSN 6240-00-646-6931
NSN 6620-01-449-8743