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 5920-00-332-8384
NSN 5998-01-122-1089
NSN 6610-01-398-1094
NSN 6610-01-196-6388
NSN 6220-01-055-6555
NSN 6110-00-772-7855
NSN 5895-00-467-1140
NSN 7035-00-200-5162
NSN 6240-01-160-8499
NSN 6110-00-702-4563
NSN 5920-01-193-8513
NSN 6240-01-341-8105