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 5835-00-779-2836
NSN 6220-01-503-8232
NSN 6105-01-530-8443
NSN 6135-01-238-2878
NSN 5855-00-885-8452
NSN 5920-01-634-0250
NSN 4140-01-329-4836
NSN 5920-01-122-6303
NSN 6645-01-189-6942
NSN 5990-00-104-4903
NSN 6685-01-360-0374
NSN 6240-00-275-1950