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 5855-00-198-3197
NSN 6610-01-157-0426
NSN 5945-01-607-5829
NSN 6620-00-262-3113
NSN 6110-01-555-3353
NSN 5990-00-112-2440
NSN 6150-01-381-7298
NSN 5835-01-123-8305
NSN 5985-01-102-7047
NSN 5915-01-137-9261
NSN 5990-00-964-9672
NSN 6150-00-576-3964