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 6645-00-933-2170
NSN 6320-01-519-8767
NSN 2925-01-532-8445
NSN 5945-01-012-1066
NSN 5975-00-153-0050
NSN 5935-01-231-9573
NSN 4140-00-456-2268
NSN 6240-01-528-6792
NSN 5999-00-290-5898
NSN 6240-00-260-0399
NSN 4140-01-441-1307
NSN 5905-01-068-3631