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 6220-01-172-1277
NSN 6610-01-206-2419
NSN 6135-01-581-8163
NSN 6240-01-412-0715
NSN 6620-01-432-7032
NSN 5915-01-403-2599
NSN 5945-00-394-2754
NSN 6220-01-513-9279
NSN 5935-01-363-9143
NSN 6320-01-397-9995
NSN 6320-01-176-8367
NSN 5985-01-096-6339