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 5920-00-066-0221
NSN 6645-01-359-5769
NSN 5975-00-153-0050
NSN 2925-00-749-8893
NSN 5985-00-649-8318
NSN 5960-00-909-3444
NSN 5920-00-058-7316
NSN 6135-00-789-2865
NSN 5835-00-484-1529
NSN 6145-00-269-4271
NSN 5975-01-350-3425
NSN 5915-01-470-7795