National Item Identification Number
01-142-8749
011428749
3040-01-142-8749
3040011428749
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)
99207
Reference Numbers (Part Numbers)
6049T14G01
Required Categories
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
LARGEST STE
Required Description
32.0 MICROINCHES
1 PLAIN
3.3480 INCHES MINIMUM AND
3.3483 INCHES MAXIMUM
NOT