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 6620-00-899-0971
NSN 5855-01-041-9392
NSN 5960-01-413-3877
NSN 5930-00-756-9701
NSN 4140-01-426-8428
NSN 6110-01-162-5030
NSN 5935-00-726-2941
NSN 6145-00-278-0697
NSN 6645-01-505-3839
NSN 6650-01-003-9355
NSN 5945-00-108-5445
NSN 5990-01-533-1347