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 4140-00-146-3269
NSN 5999-01-525-7505
NSN 5925-01-464-6809
NSN 6150-01-316-4881
NSN 6645-01-532-1408
NSN 6110-01-644-8683
NSN 5945-01-362-8035
NSN 5996-00-126-1974
NSN 5960-01-249-2602
NSN 6135-00-973-5632
NSN 5996-00-202-6576
NSN 5835-01-190-0482