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 4140-01-048-4424
NSN 5915-00-217-6517
NSN 6610-01-168-7943
NSN 6645-01-455-8342
NSN 6110-01-007-6111
NSN 5895-01-430-7181
NSN 4140-00-574-1869
NSN 6240-00-204-9355
NSN 6620-00-466-2314
NSN 5935-01-581-2081
NSN 5930-01-070-8380
NSN 6610-01-315-7002