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 4140-01-235-3921
NSN 7035-01-287-9817
NSN 6685-01-591-2066
NSN 6240-00-852-4870
NSN 6240-00-153-6519
NSN 5950-01-229-9360
NSN 5925-00-599-6339
NSN 5990-01-369-6915
NSN 5996-00-947-0804
NSN 6145-01-574-0900
NSN 5999-01-069-3877
NSN 6150-01-290-3127