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 6645-01-448-2726
NSN 6685-01-543-9088
NSN 6105-01-477-9422
NSN 5855-00-494-9581
NSN 5930-01-024-9719
NSN 5935-00-529-0273
NSN 6220-01-561-5247
NSN 5950-00-115-7984
NSN 6240-01-116-3137
NSN 5910-01-196-5110
NSN 6240-00-539-9659
NSN 5998-01-158-3535