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 4140-00-205-0853
NSN 5975-00-521-0600
NSN 5996-01-190-9982
NSN 5999-01-498-1891
NSN 6220-00-235-3565
NSN 5960-01-095-6873
NSN 5855-01-411-3360
NSN 5998-01-634-0604
NSN 7035-01-227-2546
NSN 5915-01-083-2170
NSN 5855-01-013-6864
NSN 6105-01-280-4779