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 6620-00-815-2281
NSN 2925-00-571-8106
NSN 6240-00-594-7138
NSN 4140-01-158-0252
NSN 5895-01-257-4221
NSN 6685-00-627-1940
NSN 6685-01-335-3260
NSN 6685-00-397-9852
NSN 5935-00-088-4709
NSN 5965-01-556-4337
NSN 6240-01-351-4516
NSN 2925-01-432-8452