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
NSN 5935-01-212-3119
NSN 6610-00-277-7206
NSN 5996-00-542-3997
NSN 5950-01-223-3035
NSN 5998-01-437-8680
NSN 5915-01-296-7589
NSN 5835-00-816-0394
NSN 6145-01-516-7726
NSN 5910-01-557-4271
NSN 5835-01-341-7446
NSN 6610-01-386-4582