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 6610-01-238-5559
NSN 5935-00-494-9669
NSN 5998-01-145-8510
NSN 5935-01-319-6294
NSN 6620-01-218-3542
NSN 5925-01-519-6744
NSN 5998-00-296-2520
NSN 5965-01-194-3453
NSN 5915-01-381-3087
NSN 4140-00-454-3786
NSN 6135-00-223-9563
NSN 6240-01-633-9357