National Item Identification Number

00-380-0526
003800526
3040-00-380-0526
3040003800526

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)

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Reference Numbers (Part Numbers)

1339471
1339471PC1

Required Categories

MATERIAL
FIRST END STYLE
FIRST END GROOVE WIDTH
FIRST END GROOVE DIAMETER
FI

Required Description

STEEL COMP 8640
30 CIRCULAR GROOVED AND EXTERNALLY THREADED
0.1250 INCHES NOMI