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 6110-00-170-6520
NSN 2925-01-094-4771
NSN 5925-01-258-9623
NSN 5910-01-055-9743
NSN 4140-00-816-7049
NSN 6130-00-688-7085
NSN 4140-01-048-0484
NSN 6150-00-137-0190
NSN 6145-00-610-6990
NSN 5935-01-605-4575
NSN 5999-01-574-0248
NSN 6150-00-284-9133