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 6135-00-351-8606
NSN 4140-01-068-3500
NSN 5945-01-265-3985
NSN 6135-00-477-8847
NSN 6685-01-027-1168
NSN 5999-00-403-6593
NSN 5855-01-536-3532
NSN 6620-00-431-3837
NSN 6150-01-395-4133
NSN 5990-01-333-2294
NSN 5945-01-654-2013
NSN 6150-00-263-2182