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 4140-01-422-2226
NSN 5835-00-941-4959
NSN 5960-00-400-2222
NSN 5910-01-029-3475
NSN 6150-01-397-4495
NSN 6150-01-387-7866
NSN 6240-00-469-2339
NSN 6130-00-068-8967
NSN 6685-01-429-8922
NSN 5985-00-194-6012
NSN 7035-01-218-4233
NSN 6150-00-295-5714