3020-00-476-3003 GEAR CLUSTER Index 3020-00-476-3005 GEAR CLUSTER

National Stock Number:
3020-00-476-3004

Federal Supply Class:
3020

National Item Identification Number:
004763004

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:
85985203956NORTHROP GRUMMAN SYSTEMS CORPORATION
85985256232LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER0.231 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.0630 INCHES FIRST END
HUB NOMINAL LENGTH0.250 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.375 INCHES FIRST END
HUB NOMINAL DIAMETER0.500 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN FIRST END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER0.121 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER2.582 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.625 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 12 ALL GEARS


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