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 6220-00-351-4556
NSN 6620-00-770-9794
NSN 5905-01-061-9372
NSN 6320-01-132-2746
NSN 4140-01-309-9308
NSN 5935-01-202-3851
NSN 5915-01-473-7193
NSN 6685-01-094-6334
NSN 4140-01-050-9194
NSN 6130-00-721-4156
NSN 6320-01-466-4175
NSN 6130-01-418-6984