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 5905-01-292-5852
NSN 5925-01-078-2374
NSN 5905-00-807-7808
NSN 6135-00-461-3590
NSN 6620-00-151-5363
NSN 5999-00-456-4714
NSN 6685-01-575-9039
NSN 5999-01-103-1359
NSN 5910-01-465-9843
NSN 5945-00-446-2867
NSN 6145-00-011-2390
NSN 6240-01-238-5374