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 6320-01-573-6490
NSN 6645-01-265-2746
NSN 5998-01-212-2423
NSN 5990-01-188-7309
NSN 5965-00-275-0491
NSN 6685-01-438-1113
NSN 4140-01-608-4315
NSN 5895-01-196-6285
NSN 6620-01-426-2220
NSN 6240-01-327-3239
NSN 4140-00-035-4997
NSN 6645-01-553-1975