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 6145-01-067-3559
NSN 4140-00-246-4969
NSN 5855-00-973-5717
NSN 6145-01-483-1905
NSN 6610-01-440-9913
NSN 6620-01-195-9950
NSN 5950-01-019-3803
NSN 4140-00-874-0735
NSN 5915-01-108-0462
NSN 5950-00-270-4701
NSN 2925-01-048-8464
NSN 5915-01-156-5703