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 5999-00-977-6240
NSN 5930-01-426-9130
NSN 6645-00-620-9294
NSN 2925-00-422-5159
NSN 6620-00-335-9462
NSN 2925-00-450-7783
NSN 6645-01-152-5207
NSN 5996-01-406-1821
NSN 6685-00-068-3446
NSN 5990-00-333-6210
NSN 6650-00-724-8258
NSN 6130-00-925-2303