National Item Identification Number

00-678-4294
006784294
3040-00-678-4294
3040006784294

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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19206

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Reference Numbers (Part Numbers)

8765805

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE FINISH
FIRST END STYLE;

Required Description

STEEL
FED-STD-66 FED STD SINGLE MATERIAL RESPONSE
125.0 MICROINCHES
76 SQUARE