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 6150-00-244-4618
NSN 6220-01-153-1937
NSN 6145-01-476-7554
NSN 5855-01-223-0833
NSN 6620-01-656-1896
NSN 6620-01-386-5914
NSN 5965-01-642-0879
NSN 5990-00-074-3056
NSN 6220-00-763-4131
NSN 6620-00-313-9237
NSN 4140-01-468-5962
NSN 5960-01-640-9971