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 5905-00-176-2695
NSN 5895-00-168-8954
NSN 4140-00-293-7847
NSN 5965-01-080-4021
NSN 6685-01-248-9351
NSN 6220-01-047-0009
NSN 6320-00-779-5923
NSN 6320-00-578-6898
NSN 5975-00-775-6293
NSN 5960-01-418-8402
NSN 5998-01-087-6711
NSN 5998-01-463-3108