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 6650-01-158-6888
NSN 6685-00-851-0515
NSN 6610-01-152-2821
NSN 5945-01-063-1980
NSN 6240-00-871-8798
NSN 5895-00-936-1699
NSN 6130-01-458-4380
NSN 5950-01-103-6082
NSN 5950-01-641-6918
NSN 6320-01-338-6006
NSN 5915-01-429-8743
NSN 5905-00-338-3641