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 4140-01-134-8260
NSN 5945-01-604-2976
NSN 6320-01-418-6681
NSN 2925-00-391-0331
NSN 4140-00-316-5383
NSN 6130-00-565-4564
NSN 6145-01-401-3713
NSN 6150-01-205-8476
NSN 6145-01-207-0445
NSN 5895-01-485-0393
NSN 5950-00-577-9347
NSN 6650-00-717-8913