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 5999-01-136-1079
NSN 5910-00-979-4190
NSN 5915-01-019-8618
NSN 5855-01-510-8235
NSN 6135-01-265-1384
NSN 5999-01-147-9932
NSN 5975-01-344-4698
NSN 6650-01-342-8453
NSN 6130-00-299-6920
NSN 6320-00-925-0558
NSN 4140-00-190-0162
NSN 4140-01-516-8995