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 6610-00-323-8175
NSN 6220-01-580-2420
NSN 5925-01-115-4405
NSN 6105-01-506-9130
NSN 5930-00-932-0531
NSN 6620-01-105-3264
NSN 5965-00-083-8157
NSN 5990-01-408-6142
NSN 5905-01-094-5888
NSN 5855-01-191-3404
NSN 6645-01-352-6583
NSN 5910-01-257-3539