National Item Identification Number
01-131-2470
011312470
3040-01-131-2470
3040011312470
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)
61208
Reference Numbers (Part Numbers)
215853
Required Categories
FIRST END DIAMETER
END SIMILARITY
SECOND END DIAMETER
LARGEST STEP DIAMETER;
Required Description
1.7500 INCHES NOMINAL
NOT IDENTICAL
1.9700 INCHES NOMINAL
2.160 INCHES NOMINA