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 6220-00-921-6948
NSN 6240-00-153-7978
NSN 6135-01-140-8201
NSN 6150-01-577-0265
NSN 7035-00-320-5644
NSN 6135-01-265-1384
NSN 6145-01-329-5935
NSN 5960-00-222-6174
NSN 6620-01-013-5432
NSN 5855-00-688-9954
NSN 6220-00-406-8098
NSN 5960-00-125-0026