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 6685-01-391-6790
NSN 6240-00-850-4280
NSN 6130-01-196-0064
NSN 6685-01-189-9937
NSN 6150-01-600-1027
NSN 6105-00-053-4162
NSN 6320-01-232-4664
NSN 6105-01-017-0885
NSN 6620-00-535-1412
NSN 5998-01-643-4391
NSN 6320-00-450-7014
NSN 5996-01-430-2440