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 6220-01-284-3963
NSN 6240-01-022-1424
NSN 5998-00-227-6273
NSN 6110-01-176-0410
NSN 6145-01-487-3773
NSN 6320-00-857-4073
NSN 5835-01-386-4027
NSN 5996-00-469-8536
NSN 5910-00-079-7403
NSN 4140-01-449-7606
NSN 5915-00-412-4665
NSN 5975-01-551-1621