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 5910-01-381-5624
NSN 6645-00-585-1840
NSN 6130-01-450-5531
NSN 5996-01-439-7962
NSN 5999-00-784-0426
NSN 5835-00-980-0468
NSN 6610-01-027-1641
NSN 5960-00-256-9989
NSN 5945-00-160-9194
NSN 5835-00-003-0295
NSN 5945-01-333-1058
NSN 6650-00-552-8377