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 5915-01-426-8862
NSN 2925-01-464-3093
NSN 5996-01-144-3485
NSN 5990-01-227-6526
NSN 6145-00-357-5010
NSN 6620-00-672-1957
NSN 5910-01-518-5665
NSN 6620-01-423-0833
NSN 5925-00-431-3256
NSN 5998-00-562-4900
NSN 6135-01-268-7056
NSN 5950-01-644-9689