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 6620-00-829-1860
NSN 6105-01-566-6462
NSN 6110-00-933-5976
NSN 6610-00-781-5787
NSN 4140-01-041-8140
NSN 5905-01-215-1326
NSN 5920-01-599-9293
NSN 5895-01-647-1717
NSN 5895-01-172-9655
NSN 6320-01-006-6138
NSN 6145-00-923-8127
NSN 7035-01-252-5919