3020-01-154-6919 GEAR,SPUR Index 3020-01-154-6921 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-154-6920

Federal Supply Class:
3020

National Item Identification Number:
011546920

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:
723736503538LOCKHEED MARTIN CORPORATION
7237365P00103538LOCKHEED MARTIN CORPORATION
7237365P001DTD10-6403538LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER0.354 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.245 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.715 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-679,COMP 5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 614 OVERALL
NOMINAL OUTSIDE DIAMETER2.3290 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER0.958 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH1.120 INCHES


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