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 5925-00-689-4646
NSN 6220-01-081-7631
NSN 5999-00-458-3140
NSN 5855-01-507-3822
NSN 6320-01-532-6746
NSN 5990-01-384-2697
NSN 6135-00-856-1343
NSN 5990-00-840-6571
NSN 6105-00-577-3482
NSN 6135-01-354-3337
NSN 5990-00-822-9269
NSN 6220-01-356-9188