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 5990-00-554-0366
NSN 5990-01-577-2120
NSN 6110-00-479-0403
NSN 6320-01-372-1170
NSN 4140-01-150-4895
NSN 5945-01-015-4641
NSN 5985-01-076-5873
NSN 5985-01-347-0826
NSN 6150-00-311-1336
NSN 6145-00-141-8095
NSN 5920-01-382-9379
NSN 5965-01-062-3492