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 5950-01-329-6268
NSN 5925-01-150-6502
NSN 6645-01-167-5814
NSN 6610-01-116-2527
NSN 6240-00-451-8587
NSN 4140-00-307-2732
NSN 6110-00-271-9928
NSN 5920-00-465-8488
NSN 6685-01-258-3218
NSN 5925-00-708-8769
NSN 5935-01-202-4868
NSN 6220-00-954-4897