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 4140-01-368-4912
NSN 5960-00-237-2655
NSN 6150-01-509-7740
NSN 6320-00-593-0379
NSN 4140-00-862-5644
NSN 5910-00-408-2181
NSN 5996-01-411-6195
NSN 6145-01-147-4968
NSN 5960-01-270-6362
NSN 6135-00-240-3200
NSN 6320-01-629-0768
NSN 4140-01-091-9828