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 5925-01-411-6028
NSN 5935-01-616-1625
NSN 6240-01-622-1674
NSN 6220-00-927-6272
NSN 6650-01-491-0858
NSN 7035-01-293-2457
NSN 6130-01-350-2940
NSN 4140-00-828-7113
NSN 5975-01-384-1999
NSN 6650-00-531-9074
NSN 6645-00-371-1861
NSN 6150-00-288-6245