3020-00-139-4137 GEAR,SPUR Index 3020-00-139-4139 GEAR,BEVEL

National Stock Number:
3020-00-139-4138

Federal Supply Class:
3020

National Item Identification Number:
001394138

Description:
GEAR CLUSTER

Detail:
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.


Manufacturer Information:
537-6000-02907421L3HARRIS INTERSTATE ELECTRONICS CORPORATION


Techincal Specification:
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL DIAMETER0.1250 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.1250 INCHES BETWEEN SECOND AND THIRD GEAR
HUB STYLE DESIGNATORPLAIN SECOND END
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL LENGTH0.141 INCHES FIRST END
HUB NOMINAL LENGTH0.141 INCHES SECOND END
HUB NOMINAL LENGTH0.266 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL OUTSIDE DIAMETER0.281 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.875 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.813 INCHES
SURFACE TREATMENTPASSIVATE OVERALL


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