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 6130-01-111-8321
NSN 6220-00-006-5157
NSN 5990-01-539-3493
NSN 6240-00-983-4583
NSN 4140-01-647-4488
NSN 6135-00-299-6918
NSN 5950-00-397-3787
NSN 5999-00-958-5126
NSN 5945-00-248-4873
NSN 5930-01-332-2897
NSN 6110-01-227-9439
NSN 6650-01-527-6918