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 6320-00-636-0922
NSN 5990-00-905-1546
NSN 6620-01-617-3915
NSN 6650-00-078-5773
NSN 6110-01-098-4803
NSN 5945-01-116-2129
NSN 5950-01-058-1362
NSN 5910-00-816-8898
NSN 6610-01-051-8484
NSN 6105-00-234-7787
NSN 5999-01-118-8934
NSN 5945-01-507-3637