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 4140-01-494-6783
NSN 6220-00-969-2053
NSN 6130-01-234-6871
NSN 6110-01-221-6218
NSN 6110-01-406-3623
NSN 4140-00-293-7847
NSN 2925-01-299-6967
NSN 6650-01-495-1269
NSN 5835-01-076-4091
NSN 5950-01-035-9820
NSN 5910-01-008-5375
NSN 5999-01-371-3169