National Item Identification Number
00-340-4308
003404308
3040-00-340-4308
3040003404308
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)
6M132
81205
Reference Numbers (Part Numbers)
90-1520
90-1520
Required Categories
MATERIAL
END SIMILARITY
LARGEST STEP DIAMETER
OVERALL LENGTH
STEP QUANTITY;
Required Description
STEEL COMP 4340
NOT IDENTICAL
1.7500 INCHES NOMINAL
11.0000 INCHES NOMINAL
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