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 5950-01-212-8679
NSN 5999-00-358-1933
NSN 5990-01-188-7309
NSN 6685-01-127-0364
NSN 5965-00-296-9994
NSN 6240-01-084-1517
NSN 6130-01-258-8742
NSN 6320-01-089-9086
NSN 4140-01-083-5870
NSN 6150-01-538-9860
NSN 5990-01-242-4493
NSN 5960-00-839-1529