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 5999-01-485-1701
NSN 5910-01-316-5282
NSN 6685-01-470-2017
NSN 6145-01-513-2371
NSN 6645-01-255-0391
NSN 6105-01-087-0454
NSN 5925-01-079-8417
NSN 6145-01-529-9831
NSN 6650-01-205-3014
NSN 4140-00-413-0877
NSN 5945-01-066-2880
NSN 6145-01-040-3507