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 6135-01-537-7639
NSN 2925-01-157-9204
NSN 5950-01-660-7639
NSN 5925-01-287-7554
NSN 6105-01-362-2623
NSN 5960-01-008-2177
NSN 5985-01-514-0741
NSN 5910-01-069-9457
NSN 6130-00-581-9322
NSN 4140-01-423-1647
NSN 6685-01-634-0611
NSN 6105-01-429-8777