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 6240-01-572-6003
NSN 2925-00-891-5959
NSN 6650-00-431-9541
NSN 6220-01-508-3408
NSN 5855-00-337-3679
NSN 6620-01-578-7561
NSN 5920-01-605-3232
NSN 5945-00-789-1179
NSN 5910-00-997-8797
NSN 6220-01-094-5551
NSN 5910-00-576-9062
NSN 6150-01-244-3885