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 5920-00-113-2658
NSN 6240-01-238-1681
NSN 4140-00-902-7744
NSN 2925-01-577-0004
NSN 5910-01-525-7889
NSN 5996-01-525-6937
NSN 6110-01-515-7529
NSN 5915-01-569-0434
NSN 6620-01-400-2928
NSN 5835-00-550-7728
NSN 5996-00-506-9243
NSN 6110-01-234-1154