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 5990-00-170-4239
NSN 5990-01-380-6121
NSN 5996-01-262-6420
NSN 5855-01-542-9059
NSN 5985-00-284-9130
NSN 6685-01-082-1841
NSN 5990-01-271-8130
NSN 4140-01-170-8798
NSN 5985-01-426-7399
NSN 5950-01-317-4386
NSN 6620-01-004-2738
NSN 5930-00-155-5917