National Item Identification Number

01-356-0812
013560812
3040-01-356-0812
3040013560812

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)

123-4695806 ITEM 3

Required Categories

FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
LARGEST STEP DIAMETER
OVER

Required Description

1 PLAIN
1.7490 INCHES NOMINAL
IDENTICAL
2.9800 INCHES NOMINAL
28.7500 INCHES