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 6220-01-253-3380
NSN 5905-01-310-7629
NSN 4140-00-007-5726
NSN 5855-01-041-9392
NSN 5905-01-481-3943
NSN 5915-01-044-9377
NSN 6105-01-497-7307
NSN 5935-01-127-2413
NSN 5835-01-628-1748
NSN 7035-01-196-3445
NSN 6320-01-207-0636
NSN 6610-01-633-8931