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 6645-01-076-4655
NSN 6240-01-531-2661
NSN 5960-01-421-0887
NSN 5905-01-627-6469
NSN 6150-00-925-2465
NSN 5915-00-073-6734
NSN 6685-00-456-8600
NSN 6645-01-531-3142
NSN 5915-00-218-6513
NSN 6685-00-836-1636
NSN 5945-00-165-0632
NSN 6645-01-284-1157