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 6320-01-388-3125
NSN 5895-01-470-8813
NSN 5960-01-303-0301
NSN 5975-01-454-2199
NSN 6240-01-465-7712
NSN 6220-01-051-6993
NSN 6320-01-575-6342
NSN 6650-01-506-0386
NSN 5925-00-666-4753
NSN 5905-01-661-2492
NSN 5999-01-079-0446
NSN 6645-01-044-6376