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 6610-01-165-2104
NSN 6135-00-269-5843
NSN 6240-01-319-7632
NSN 5975-01-131-9492
NSN 6150-01-162-5234
NSN 4140-01-495-2216
NSN 5996-00-400-4433
NSN 4140-01-451-8771
NSN 5895-00-269-3848
NSN 5990-00-394-3987
NSN 5920-00-752-3081
NSN 5895-01-595-5402