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 2925-01-411-4666
NSN 5985-01-470-0929
NSN 2925-01-601-5050
NSN 5895-01-200-1688
NSN 6610-01-520-5124
NSN 5996-00-518-0460
NSN 5905-01-264-1802
NSN 5895-00-111-0425
NSN 4140-01-501-7623
NSN 5990-01-016-4194
NSN 6135-01-326-2536
NSN 6135-01-593-5295