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 4140-00-934-8800
NSN 5998-00-123-2212
NSN 5990-01-027-0568
NSN 6150-01-283-7945
NSN 5998-01-369-9300
NSN 5950-01-071-2027
NSN 5925-00-136-0977
NSN 6130-00-447-7744
NSN 6610-01-432-4361
NSN 5835-01-500-9150
NSN 6685-01-321-3327
NSN 2925-01-446-6976