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 5920-01-343-0780
NSN 6240-00-760-8350
NSN 5960-01-276-7836
NSN 6110-01-167-8906
NSN 5990-01-421-5342
NSN 6650-01-418-3228
NSN 6685-00-688-5154
NSN 5950-00-800-6264
NSN 5855-01-363-7491
NSN 6240-00-364-0850
NSN 5985-01-513-0120
NSN 5960-00-553-7338