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 4140-01-370-4075
NSN 5855-01-275-5470
NSN 5950-01-473-3146
NSN 5925-00-732-7530
NSN 5990-01-411-5930
NSN 5990-01-368-2604
NSN 5999-01-429-7018
NSN 5985-00-170-9097
NSN 6650-00-751-9958
NSN 5985-00-466-3574
NSN 5855-00-879-7245
NSN 5835-01-068-3417