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 4140-00-193-0067
NSN 5965-00-454-8706
NSN 5930-01-360-5094
NSN 5999-01-116-9490
NSN 5910-00-710-0022
NSN 5975-01-294-2134
NSN 6620-00-280-2874
NSN 5950-01-451-0150
NSN 5996-01-555-7690
NSN 5975-01-455-2219
NSN 6685-01-256-4990
NSN 6645-01-279-7647