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 5920-00-878-9130
NSN 5910-01-582-4172
NSN 5930-01-633-8281
NSN 6610-01-136-4866
NSN 6650-00-684-3060
NSN 6620-01-207-0667
NSN 5925-00-246-4645
NSN 6240-00-922-7919
NSN 6220-00-160-9372
NSN 5960-01-163-8905
NSN 6650-01-646-1643
NSN 6645-01-190-0085