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 5925-00-253-0096
NSN 6220-01-422-3479
NSN 5960-01-089-7174
NSN 5945-00-868-0351
NSN 5990-01-510-4699
NSN 5950-01-264-8932
NSN 5975-01-442-4033
NSN 4140-00-119-5855
NSN 5950-01-236-1441
NSN 5950-00-847-2303
NSN 6135-00-862-5736
NSN 6110-01-409-2692