3020-01-215-8828 GEAR CLUSTER Index 4420-01-215-8830 CORE ASSEMBLY,FLUID COOLER

National Stock Number:
3020-01-215-8829

Federal Supply Class:
3020

National Item Identification Number:
012158829

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:
803-4384431-A-02080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER2.531 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL DIAMETER3.000 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER3.062 INCHES BOTH ENDS
HUB NOMINAL LENGTH0.187 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.4020 INCHES SECOND END
HUB NOMINAL LENGTH0.438 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIALSTEEL COMP E4340 OVERALL
NOMINAL OUTSIDE DIAMETER3.5670 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER4.1670 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH2.590 INCHES


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