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 6620-00-292-7000
NSN 6645-00-429-0172
NSN 6320-01-149-2808
NSN 5985-01-417-6948
NSN 4140-01-386-5630
NSN 6650-01-090-0719
NSN 5996-00-998-6341
NSN 5960-01-203-9814
NSN 5925-01-028-9336
NSN 5855-00-904-9572
NSN 6620-01-154-7051
NSN 7035-00-756-4374