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 4140-01-545-7754
NSN 5905-01-148-6586
NSN 6645-01-252-9659
NSN 6105-00-728-8612
NSN 5999-01-219-1604
NSN 5950-01-436-0862
NSN 2925-01-609-8464
NSN 5998-01-649-0258
NSN 6150-01-155-4905
NSN 5996-00-794-1336
NSN 6645-01-202-7986
NSN 6610-00-432-4438