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 5895-00-221-1315
NSN 5920-01-474-5404
NSN 6220-01-316-2253
NSN 5998-01-561-6887
NSN 6650-00-164-6246
NSN 6320-00-238-9973
NSN 6150-00-841-1486
NSN 6620-00-115-9050
NSN 5925-01-147-8848
NSN 5960-01-640-6473
NSN 5895-01-209-2617
NSN 6620-01-224-9007