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 6620-01-416-1757
NSN 5990-01-070-4627
NSN 5999-01-634-0576
NSN 6620-01-399-3615
NSN 5965-00-636-3610
NSN 5915-00-731-3823
NSN 5999-01-298-8276
NSN 5925-01-628-9131
NSN 5960-00-170-9614
NSN 5905-01-296-7522
NSN 5975-01-169-4619
NSN 6145-01-352-7849