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 5915-00-212-7970
NSN 6645-00-684-3424
NSN 4140-01-602-8454
NSN 5925-01-501-0727
NSN 6145-00-833-7753
NSN 6620-00-112-9218
NSN 6150-01-551-6725
NSN 6685-01-291-8356
NSN 6110-01-148-9067
NSN 5990-01-270-3209
NSN 2925-00-899-4261
NSN 6150-01-020-8983