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 5915-01-502-6623
NSN 5950-00-104-3597
NSN 6685-01-168-3793
NSN 5985-00-081-3456
NSN 5920-01-444-3983
NSN 2925-00-546-3129
NSN 4140-01-077-3981
NSN 5965-00-811-3793
NSN 5996-00-492-9771
NSN 6145-00-246-9776
NSN 6620-01-646-2751
NSN 6685-01-188-7379