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 5905-00-841-7442
NSN 6620-01-365-1499
NSN 5930-01-248-4165
NSN 6650-01-515-0391
NSN 6610-00-081-2365
NSN 5965-00-117-4214
NSN 5915-00-322-4282
NSN 6110-01-215-7681
NSN 5910-01-512-1978
NSN 5950-01-143-7950
NSN 5998-00-471-4513
NSN 6610-01-372-2147