National Item Identification Number

01-029-7823
010297823
3040-01-029-7823
3040010297823

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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97942

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97942

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Reference Numbers (Part Numbers)

121B652
121B652H01

Required Categories

MATERIAL
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
LARGEST STEP DIAM

Required Description

STEEL COMP 303
1 PLAIN
0.1875 INCHES NOMINAL
IDENTICAL
0.188 INCHES NOMINAL;