3020-00-476-3004 GEAR CLUSTER Index 3020-00-476-3006 GEAR,HELICAL

National Stock Number:
3020-00-476-3005

Federal Supply Class:
3020

National Item Identification Number:
004763005

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:
85985503956NORTHROP GRUMMAN SYSTEMS CORPORATION
85985556232LOCKHEED MARTIN CORPORATION


Techincal Specification:
BORE NOMINAL DIAMETER0.219 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.0620 INCHES SECOND END
HUB NOMINAL LENGTH0.063 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.2510 INCHES FIRST END
HUB NOMINAL DIAMETER0.398 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.398 INCHES FIRST END
HUB NOMINAL DIAMETER0.406 INCHES SECOND END
HUB STYLE DESIGNATORPINNED FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER2.165 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.540 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.688 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 12 ALL GEARS


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