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 6220-00-659-9455
NSN 6240-01-444-2227
NSN 6150-00-925-9914
NSN 5990-00-226-7894
NSN 6610-01-322-4331
NSN 6150-01-213-3742
NSN 6610-01-486-7954
NSN 6645-01-415-5982
NSN 6135-01-647-5692
NSN 2925-01-562-8051
NSN 6150-01-377-4037
NSN 5925-00-008-4413