National Item Identification Number

01-313-4590
013134590
3040-01-313-4590
3040013134590

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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98897

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98897

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Reference Numbers (Part Numbers)

4F59306
4F59306-101A

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE FINISH
FIRST END STYLE;

Required Description

STEEL
MIL-S-8844,CLASS 3,COND E-2 MIL SPEC SINGLE MATERIAL RESPONSE
125.0 MICR