3020-00-476-3009 GEAR,HELICAL Index 3020-00-476-3016 GEAR,SPUR

National Stock Number:
3020-00-476-3015

Federal Supply Class:
3020

National Item Identification Number:
004763015

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:
85992803956NORTHROP GRUMMAN SYSTEMS CORPORATION
85992856232LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.0468 INCHES SECOND END
HUB NOMINAL LENGTH0.272 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.375 INCHES SECOND END
HUB NOMINAL DIAMETER0.438 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN SECOND END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER2.1042 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER0.875 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.600 INCHES
SPECIAL FEATURESMTG HOLES 90 DEGS APART
SURFACE TREATMENTCHROMATE OVERALL


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