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 4140-01-378-5753
NSN 5935-00-056-2641
NSN 5950-01-029-3033
NSN 6110-01-383-3391
NSN 5915-01-555-8081
NSN 2925-00-087-2465
NSN 5960-00-838-7048
NSN 6610-00-659-8760
NSN 5950-00-917-2520
NSN 5990-01-364-0813
NSN 6135-00-170-8819
NSN 5996-01-421-4417