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 6150-00-249-0071
NSN 5930-01-411-2847
NSN 5950-01-449-1358
NSN 6145-00-174-9344
NSN 6240-00-244-0483
NSN 6645-01-494-3845
NSN 6110-01-237-9756
NSN 5960-01-058-4455
NSN 6645-00-983-2046
NSN 5965-01-256-0059
NSN 5985-01-311-9178
NSN 6220-00-556-2396