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 6610-00-514-5788
NSN 5999-00-722-7720
NSN 5998-01-407-6174
NSN 6645-01-070-1210
NSN 5965-01-415-2898
NSN 6650-01-537-7795
NSN 6610-01-520-6889
NSN 5998-01-076-8367
NSN 5895-01-515-3031
NSN 5945-01-135-6314
NSN 6650-01-576-8118
NSN 6620-01-106-3553