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 6650-00-665-3658
NSN 6220-01-634-0660
NSN 6150-00-020-4079
NSN 5999-00-812-2082
NSN 6105-00-717-3026
NSN 5999-01-096-2540
NSN 5925-00-563-3707
NSN 5855-01-100-3272
NSN 5925-01-349-5527
NSN 6105-01-033-4720
NSN 5965-01-449-1101
NSN 6645-01-386-6311