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 4140-00-269-5795
NSN 6105-00-919-6524
NSN 5950-01-437-9051
NSN 6145-00-139-1203
NSN 2925-00-922-8953
NSN 5999-00-942-9927
NSN 5990-01-411-8548
NSN 5905-00-501-0078
NSN 6220-00-066-9599
NSN 6145-01-385-8767
NSN 5910-01-212-3090
NSN 6650-01-492-9525