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 5855-00-256-5562
NSN 5965-01-204-8505
NSN 5998-00-494-9140
NSN 5905-00-513-7167
NSN 5975-01-084-3044
NSN 6320-00-937-5625
NSN 4140-01-136-2204
NSN 5996-00-298-1932
NSN 5998-01-051-7835
NSN 5910-01-114-7007
NSN 6320-01-381-7023
NSN 5945-01-042-7389