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 5895-01-648-2670
NSN 6240-00-727-8573
NSN 5999-00-990-1731
NSN 5960-01-512-0233
NSN 5975-01-102-1589
NSN 6240-00-965-7997
NSN 5925-01-101-9480
NSN 6150-01-386-3767
NSN 5835-01-599-1876
NSN 5945-00-269-5375
NSN 5935-00-234-1599
NSN 6620-00-485-4136