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 6620-00-556-1976
NSN 6685-01-401-5360
NSN 5999-01-205-7533
NSN 2925-01-211-3294
NSN 5915-01-631-3275
NSN 2925-00-852-6708
NSN 6105-01-313-1129
NSN 6645-00-456-0080
NSN 5930-01-065-0890
NSN 5910-00-815-3072
NSN 6145-01-632-9492
NSN 6105-01-207-0845