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 5905-01-127-2056
NSN 5960-00-435-1967
NSN 6220-01-348-6619
NSN 5925-01-073-2546
NSN 5925-00-282-2459
NSN 7035-01-188-1953
NSN 6240-01-252-9374
NSN 5960-00-411-3578
NSN 5855-00-089-3974
NSN 4140-01-554-5494
NSN 5920-01-328-8904
NSN 5925-01-324-2672