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 6110-00-170-6520
NSN 6135-00-519-1325
NSN 2925-00-869-1451
NSN 6240-01-153-2861
NSN 6130-00-773-3132
NSN 6130-01-612-2270
NSN 6105-00-369-1143
NSN 7035-01-033-3007
NSN 6220-00-877-2151
NSN 5920-01-073-3334
NSN 5925-01-222-0835
NSN 6610-01-170-2905