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 6685-00-551-6139
NSN 6685-00-933-4122
NSN 5950-01-364-1139
NSN 2925-01-412-9520
NSN 5945-01-087-9555
NSN 7035-01-660-5873
NSN 5990-01-378-7349
NSN 6610-01-257-5808
NSN 5996-01-603-2139
NSN 5965-01-045-0247
NSN 7035-01-143-3573
NSN 5998-00-054-6589