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 6645-00-599-8890
NSN 6220-01-375-5572
NSN 6145-01-013-6116
NSN 5965-01-381-2450
NSN 5965-00-826-1841
NSN 6620-01-580-6681
NSN 5998-01-029-4263
NSN 4140-01-416-7599
NSN 4140-00-469-2344
NSN 5950-00-648-1625
NSN 5960-00-901-4312
NSN 5905-01-316-2431