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 6220-01-449-1877
NSN 5895-00-111-8281
NSN 5925-01-107-1951
NSN 6145-01-320-2423
NSN 5920-01-334-8726
NSN 6135-00-377-9165
NSN 5920-00-056-8333
NSN 5925-01-499-6125
NSN 6110-01-086-8076
NSN 4140-00-449-7345
NSN 5975-01-020-7869
NSN 6610-01-474-8520