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 6620-01-423-0833
NSN 6610-01-339-1595
NSN 5950-00-706-8729
NSN 7035-01-202-4842
NSN 5895-01-381-6574
NSN 5990-01-374-3877
NSN 6145-00-437-4673
NSN 6610-01-660-0808
NSN 5998-01-334-4584
NSN 5965-01-581-7464
NSN 5975-00-251-2478
NSN 6685-00-638-9261