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 5855-00-408-2611
NSN 4140-00-941-8786
NSN 4140-00-137-9633
NSN 5965-01-052-1875
NSN 5895-01-373-6669
NSN 6145-00-596-8447
NSN 6610-01-440-4314
NSN 6105-01-334-9807
NSN 5996-01-384-2115
NSN 5990-01-350-9950
NSN 6105-00-922-2959
NSN 6610-01-570-3185