National Item Identification Number

01-316-8454
013168454
3040-01-316-8454
3040013168454

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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53711

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Reference Numbers (Part Numbers)

5209526

Required Categories

MATERIAL
FIRST END STYLE
FIRST END FLAT DEPTH
FIRST END FLAT LENGTH
FIRST EN

Required Description

STEEL
4 FLATTED
ANY ACCEPTABLE
0.270 INCHES NOMINAL
0.5000 INCHES NOMINAL
N