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 6110-01-400-4207
NSN 6610-01-276-7766
NSN 6320-01-551-3553
NSN 5930-00-292-1089
NSN 6105-01-077-5559
NSN 5925-01-237-6865
NSN 6145-00-975-0912
NSN 5960-00-249-9623
NSN 6145-01-316-5357
NSN 6105-01-144-8441
NSN 6645-01-179-0243
NSN 5965-01-645-9432