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 6240-01-338-6045
NSN 6645-00-211-6906
NSN 6150-01-540-0553
NSN 5960-01-064-0319
NSN 5930-01-411-9953
NSN 4140-01-462-0268
NSN 5910-00-420-3930
NSN 6320-01-564-0893
NSN 6320-00-779-5923
NSN 6240-00-025-9203
NSN 7035-01-012-8658
NSN 6150-01-347-1041