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 6220-00-279-1508
NSN 2925-01-025-0082
NSN 5935-01-023-1214
NSN 5985-01-448-2957
NSN 5960-00-769-7629
NSN 5910-00-862-0145
NSN 5975-01-414-8873
NSN 5915-00-860-8379
NSN 7035-01-254-3606
NSN 6650-01-455-8923
NSN 5950-01-020-7174
NSN 6645-01-632-8819