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 6220-01-430-7021
NSN 6610-01-003-9763
NSN 6110-00-337-0858
NSN 4140-00-580-7050
NSN 5920-01-409-2830
NSN 5895-01-217-6882
NSN 5930-01-249-6632
NSN 6685-00-126-5711
NSN 6135-01-580-5726
NSN 5905-01-415-2474
NSN 6105-01-065-0341
NSN 5960-00-901-5745