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 6145-00-422-1727
NSN 5960-01-069-8028
NSN 5895-01-048-6433
NSN 5990-01-443-2931
NSN 6320-00-483-0451
NSN 6105-01-620-1638
NSN 6645-00-258-8547
NSN 6320-01-538-4782
NSN 5905-00-932-1237
NSN 6610-00-975-5638
NSN 6685-01-460-5031
NSN 5990-01-058-4826