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 6620-00-235-4938
NSN 6240-01-425-1545
NSN 5915-01-440-7456
NSN 5910-01-399-0570
NSN 7035-01-008-7248
NSN 5998-00-138-5265
NSN 5990-00-900-0672
NSN 5835-00-811-4554
NSN 5930-01-158-3133
NSN 7035-01-042-5308
NSN 6220-01-175-1246
NSN 5990-00-406-4991