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 5935-01-082-2091
NSN 2925-01-344-6073
NSN 5985-01-520-7424
NSN 6610-01-141-7014
NSN 5950-00-107-7321
NSN 5905-01-506-2287
NSN 6240-01-051-2557
NSN 6645-01-452-3354
NSN 6650-00-603-3296
NSN 6110-00-167-7522
NSN 6150-01-513-8433
NSN 6240-00-952-7470