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 6130-00-137-3966
NSN 2925-01-243-0328
NSN 6150-00-100-4757
NSN 5930-01-464-9875
NSN 6620-00-553-8988
NSN 6610-00-719-6882
NSN 6645-00-805-0066
NSN 5945-01-069-9551
NSN 5998-00-100-4948
NSN 2925-00-247-6248
NSN 6645-01-071-7515
NSN 6320-01-281-6028