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 6145-00-420-2177
NSN 5999-01-045-4155
NSN 5990-00-843-6825
NSN 4140-00-919-5020
NSN 6130-01-449-1868
NSN 4140-01-076-3720
NSN 5975-01-585-7151
NSN 5935-00-833-9943
NSN 5950-01-498-8903
NSN 6220-01-449-8252
NSN 5835-00-491-6075
NSN 6645-01-442-4032