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 6610-00-143-7361
NSN 6130-00-558-6112
NSN 5895-00-679-8606
NSN 5915-01-157-1967
NSN 6145-01-511-9322
NSN 5996-00-681-8223
NSN 5990-00-008-8466
NSN 6110-01-091-6836
NSN 6645-01-254-0489
NSN 6220-00-179-1683
NSN 5990-01-147-5225
NSN 6620-01-508-1996