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 5985-01-255-4455
NSN 5990-01-411-5930
NSN 5960-01-199-1157
NSN 4140-01-254-3689
NSN 5895-00-319-4997
NSN 6145-01-360-6707
NSN 5990-00-398-0507
NSN 5855-01-364-1005
NSN 5999-01-335-1379
NSN 5905-01-620-0653
NSN 5996-00-702-5664
NSN 5999-01-464-5366