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 4140-00-679-3899
NSN 6610-01-140-1023
NSN 7035-01-093-9544
NSN 5910-01-448-9622
NSN 6240-00-275-1950
NSN 2925-01-359-4027
NSN 5996-01-334-2146
NSN 5915-00-113-4396
NSN 5996-01-314-9048
NSN 5990-01-348-9843
NSN 6130-00-624-9099
NSN 5965-01-042-2001