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 4140-00-792-8398
NSN 5990-01-173-7238
NSN 6650-01-149-1448
NSN 6150-01-611-4176
NSN 5960-01-408-8263
NSN 5996-01-566-0344
NSN 6110-01-480-2436
NSN 4140-00-205-6491
NSN 6135-00-542-6216
NSN 5915-01-592-8055
NSN 5990-01-124-9063
NSN 5960-01-515-4791