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 6130-01-601-2351
NSN 5990-01-085-3765
NSN 4140-01-324-1707
NSN 5915-01-412-5984
NSN 5998-01-172-2040
NSN 6130-00-983-4351
NSN 6110-00-807-2501
NSN 6135-01-017-3001
NSN 6105-01-534-8992
NSN 5910-01-057-8854
NSN 5999-00-432-5771
NSN 6220-01-515-8722