National Item Identification Number
00-518-6309
005186309
3040-00-518-6309
3040005186309
National Stock Number
Item Name
SHAFT,SHOULDERED
Federal Supply Class
3040
Description
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.
Commercial and Government Entity Code (Supplier Data)
63810
19204
Reference Numbers (Part Numbers)
110524
5186309
Required Categories
MATERIAL
SURFACE FINISH
END SIMILARITY
SECOND END STYLE
SECOND END GROOVE WI
Required Description
STEEL COMP 3140 OR
STEEL COMP 4140
125.0 MICROINCHES
NOT IDENTICAL
37 CIRCUL