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 5990-01-407-6615
NSN 5910-01-018-3029
NSN 5910-01-422-1699
NSN 5999-01-367-2223
NSN 6110-01-166-5066
NSN 6610-00-814-8598
NSN 5960-00-215-3754
NSN 6135-00-500-2082
NSN 5920-01-386-3188
NSN 6130-01-502-6729
NSN 5935-00-653-8370
NSN 5910-00-299-2685