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 5999-01-268-8841
NSN 5990-00-202-5127
NSN 6130-01-484-0498
NSN 5905-00-196-3586
NSN 5915-01-620-0087
NSN 5895-01-474-9946
NSN 5905-01-535-7049
NSN 5985-01-359-2605
NSN 2925-01-327-3069
NSN 6105-01-433-2899
NSN 5925-01-068-5262
NSN 6620-00-699-5537