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 5998-01-634-0604
NSN 6620-00-139-3800
NSN 6105-01-160-1769
NSN 5930-01-442-5807
NSN 4140-01-304-5477
NSN 5855-01-602-3437
NSN 4140-00-739-2033
NSN 5925-01-607-0894
NSN 6110-01-458-7125
NSN 4140-01-453-5596
NSN 5985-00-906-6490
NSN 5985-01-213-1972