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 5915-01-503-6985
NSN 5905-01-351-5678
NSN 6240-01-591-5107
NSN 6645-00-237-8414
NSN 5965-00-468-3071
NSN 2925-01-318-8853
NSN 5990-00-660-8885
NSN 5925-01-203-3233
NSN 2925-01-420-2362
NSN 5985-01-566-0868
NSN 6610-01-099-9710
NSN 6610-01-576-8955