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 6220-01-351-6686
NSN 5985-01-012-2025
NSN 6110-01-531-1083
NSN 6110-01-421-2714
NSN 2925-01-116-6838
NSN 5975-00-724-8501
NSN 6240-00-299-9819
NSN 5930-00-522-5646
NSN 5910-01-551-1268
NSN 5999-00-997-6477
NSN 5999-01-458-4371
NSN 6620-01-014-3219