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 5998-01-363-6765
NSN 6130-00-618-2712
NSN 5895-00-945-0440
NSN 6645-01-553-8500
NSN 5855-01-180-5369
NSN 5920-01-386-1954
NSN 6110-01-448-4265
NSN 6685-01-186-4838
NSN 6685-00-861-1599
NSN 5910-00-035-5534
NSN 6610-00-845-4674
NSN 6145-00-871-8304