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 6110-01-133-8093
NSN 2925-01-633-4048
NSN 5915-01-201-2937
NSN 5998-01-215-1313
NSN 6685-00-269-6444
NSN 5975-01-096-6270
NSN 5965-00-033-5928
NSN 6220-01-634-0660
NSN 6150-01-451-6325
NSN 5920-01-157-2767
NSN 6650-00-434-0188
NSN 5998-01-259-4680