3020-00-922-8017 GEAR,SPUR Index 3040-00-922-8019 SHAFT,SHOULDERED

National Stock Number:
3040-00-922-8018

Federal Supply Class:
3040

National Item Identification Number:
009228018

Description:
SHAFT,SHOULDERED

Detail:
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.


Manufacturer Information:
1169948519200US ARMY ARDEC RDECOM
1169948519205SPRINGFIELD ARMORY


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.3918 INCHES MINIMUM AND 0.3928 INCHES MAXIMUM
FIRST END STYLEPLAIN
LARGEST STEP DIAMETER0.5887 INCHES MINIMUM AND 0.5897 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5843,COND SOLUTION HEAT TREATED MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
OVERALL LENGTH10.665 INCHES MINIMUM AND 10.685 INCHES MAXIMUM
SECOND END DIAMETER0.5887 INCHES MINIMUM AND 0.5897 INCHES MAXIMUM
SECOND END FLAT LENGTH0.531 INCHES MINIMUM AND 0.551 INCHES MAXIMUM
SECOND END STYLEFLATTED
STEP QUANTITY9
SURFACE FINISH125.0 MICROINCHES


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