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 6150-00-552-2073
NSN 5950-01-064-1645
NSN 5996-00-608-6425
NSN 5925-01-652-8228
NSN 6150-00-394-8888
NSN 6610-01-246-4164
NSN 5855-01-601-2399
NSN 6320-00-977-3930
NSN 5855-00-797-8217
NSN 6320-01-021-6633
NSN 5835-01-592-2350
NSN 5910-01-099-1525