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 5998-01-230-1701
NSN 6650-00-320-8683
NSN 6220-00-472-8119
NSN 5990-01-212-2037
NSN 5950-00-082-1616
NSN 7035-01-491-3981
NSN 6135-00-932-3136
NSN 5965-01-555-1532
NSN 5925-01-420-6211
NSN 6110-01-562-0995
NSN 6150-01-007-4606
NSN 5895-01-096-6906