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 5950-01-344-1644
NSN 5990-01-486-2556
NSN 6150-01-516-0146
NSN 4140-01-215-7594
NSN 4140-00-660-8699
NSN 5998-01-503-0629
NSN 4140-00-203-3821
NSN 5835-01-170-5537
NSN 6650-00-211-6302
NSN 5905-01-528-4951
NSN 6650-00-985-5332
NSN 5990-01-157-0441