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 5915-01-535-8516
NSN 5996-01-411-6195
NSN 5960-01-090-6979
NSN 6130-00-408-5055
NSN 6150-01-391-0723
NSN 4140-01-335-7736
NSN 4140-01-608-3992
NSN 6130-00-578-9783
NSN 5905-00-160-9042
NSN 6320-01-519-8767
NSN 5985-01-039-7188
NSN 6220-01-359-8322