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 4140-01-305-8682
NSN 5985-01-456-5370
NSN 5935-01-472-2848
NSN 5895-01-080-5461
NSN 5945-01-055-8159
NSN 6320-00-098-2858
NSN 6130-01-493-8293
NSN 5965-00-970-6431
NSN 5945-01-240-1314
NSN 5920-01-247-5299
NSN 6240-00-079-0112
NSN 6645-01-223-7274