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 5930-00-710-6917
NSN 5950-01-080-9290
NSN 6130-00-407-5645
NSN 5985-01-415-0274
NSN 6145-01-450-8419
NSN 7035-01-107-2811
NSN 5925-01-207-0910
NSN 5855-01-564-2044
NSN 6620-01-576-7723
NSN 6645-01-292-2873
NSN 5975-01-070-2466
NSN 5990-00-703-4926