National Item Identification Number

01-335-7303
013357303
3040-01-335-7303
3040013357303

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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25567

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Reference Numbers (Part Numbers)

3065E

Required Categories

MATERIAL
END SIMILARITY
SECOND END STYLE
SECOND END KEYWAY WIDTH
SECOND END

Required Description

STEEL COMP 1045
NOT IDENTICAL
3 FLAT KEYWAY
0.3800 INCHES NOMINAL
3.7500 INC