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 6620-01-264-6646
NSN 5910-01-057-4381
NSN 6150-00-782-1858
NSN 6220-00-493-5162
NSN 5925-00-316-5312
NSN 5975-00-185-5243
NSN 5935-01-495-1125
NSN 5998-01-537-2118
NSN 5895-01-424-0956
NSN 4140-01-420-6263
NSN 6620-01-352-5640
NSN 6645-01-630-8891