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 4140-01-440-5856
NSN 6240-01-300-5432
NSN 6110-01-535-7491
NSN 6685-01-200-0962
NSN 5855-01-147-6024
NSN 5975-00-204-9190
NSN 5905-01-642-8347
NSN 5855-01-234-5346
NSN 6240-01-344-5465
NSN 6220-01-084-6402
NSN 5910-00-433-8613
NSN 6110-01-454-0697