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 6135-01-532-7951
NSN 6610-01-539-9084
NSN 6620-01-194-6618
NSN 6320-00-222-1468
NSN 6645-00-155-2398
NSN 4140-00-116-1022
NSN 7035-00-076-4097
NSN 6150-00-018-5807
NSN 6610-01-250-2811
NSN 5925-00-833-8291
NSN 5998-00-262-4879
NSN 6135-00-223-9563