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 6645-01-600-2080
NSN 6650-01-249-0793
NSN 5925-00-415-2286
NSN 6135-00-833-9909
NSN 5998-01-476-7582
NSN 5930-01-282-3772
NSN 5925-01-553-5495
NSN 5925-01-108-1677
NSN 5835-01-384-3206
NSN 5905-01-448-8957
NSN 6645-01-047-9724
NSN 6135-01-618-8314