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 5998-00-225-8522
NSN 5990-01-510-4699
NSN 6610-01-629-4140
NSN 5960-00-153-7115
NSN 5990-01-248-0108
NSN 6685-00-856-1485
NSN 5999-01-578-7948
NSN 5998-01-320-3685
NSN 6610-00-256-8006
NSN 6220-01-423-8319
NSN 5975-00-964-7332
NSN 6650-00-853-7782