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 6620-01-384-2105
NSN 4140-00-115-0830
NSN 5905-01-157-5617
NSN 5910-00-081-9173
NSN 5930-01-408-8703
NSN 5915-00-353-0853
NSN 2925-00-233-5644
NSN 6650-01-388-4363
NSN 6240-01-376-3697
NSN 6220-00-407-3242
NSN 6150-01-654-9832
NSN 6135-01-020-3805