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 6645-00-491-8963
NSN 6135-01-100-3593
NSN 6610-01-627-8476
NSN 6130-01-444-3909
NSN 4140-00-167-1705
NSN 6620-01-122-0238
NSN 6110-01-441-1623
NSN 5910-01-540-5920
NSN 5920-00-802-0666
NSN 6130-00-240-0026
NSN 5960-01-503-8411
NSN 7035-00-535-8109