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 6240-00-215-8550
NSN 5920-00-224-1589
NSN 6110-01-548-7635
NSN 6135-00-782-6988
NSN 5920-00-132-3115
NSN 5985-01-250-1361
NSN 6150-00-964-7303
NSN 5835-00-143-4153
NSN 5985-01-042-4924
NSN 6645-01-316-7456
NSN 5920-01-483-1537
NSN 6685-01-578-3142