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 6145-01-220-0884
NSN 6650-01-074-8232
NSN 6240-01-131-4454
NSN 6135-01-528-6896
NSN 6320-01-111-8008
NSN 6620-00-500-0041
NSN 5998-01-524-4631
NSN 5925-00-006-3539
NSN 5985-01-425-1729
NSN 6320-01-280-5091
NSN 6610-01-322-7677
NSN 6650-01-464-5033