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 6610-00-255-2752
NSN 4140-01-643-1899
NSN 5998-01-160-5640
NSN 6150-00-901-3200
NSN 5930-00-379-8990
NSN 5975-01-023-8773
NSN 5945-01-537-6186
NSN 5975-00-284-7615
NSN 5935-01-100-5882
NSN 5950-01-357-5583
NSN 6320-01-536-3077
NSN 5925-01-512-9934