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 5996-00-144-8091
NSN 6240-01-580-6276
NSN 5945-01-387-3422
NSN 6135-01-538-5248
NSN 5965-00-898-1356
NSN 5985-01-415-3134
NSN 4140-01-334-8637
NSN 5920-01-456-7324
NSN 5905-01-560-3856
NSN 6610-01-533-9871
NSN 6130-01-075-6724
NSN 6240-01-469-7324