Known as plunger, packing
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 6620-01-332-4625
NSN 5935-01-611-8820
NSN 6620-00-607-6990
NSN 6110-01-511-8074
NSN 5990-01-548-3711
NSN 5930-00-806-4324
NSN 5855-01-448-0695
NSN 6220-01-222-3493
NSN 5920-01-136-6802
NSN 5855-01-413-5252
NSN 2925-01-437-9041
NSN 5960-01-160-1016