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 6240-00-583-9863
NSN 6145-01-606-4388
NSN 5910-00-780-9495
NSN 5985-01-468-5674
NSN 5915-01-106-3944
NSN 5855-01-131-9336
NSN 5835-01-286-6499
NSN 6220-01-103-4475
NSN 5945-01-053-8852
NSN 5935-01-382-1620
NSN 6145-01-431-8803
NSN 6145-01-598-9439