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 4140-00-918-5162
NSN 7035-01-027-2259
NSN 5855-00-014-5008
NSN 6145-01-156-7868
NSN 6240-00-133-7726
NSN 5855-01-472-1946
NSN 5960-01-527-4845
NSN 5920-01-432-1328
NSN 5990-00-070-8652
NSN 2925-00-714-3932
NSN 5895-00-155-8581
NSN 6220-01-393-0908