3020-00-157-9738 GEAR ASSEMBLY Index 1220-00-157-9740 GEAR SUBASSEMBLY

National Stock Number:
3020-00-157-9739

Federal Supply Class:
3020

National Item Identification Number:
001579739

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:
499818PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BORE STYLETAPERED W/KEYWAY BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.062 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.875 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
KEYWAY NOMINAL WIDTH0.096 INCHES BOTH ENDS
MATERIALCOPPER ALLOY FIRST GEAR
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.230 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER5.063 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.500 INCHES
TAPER MAJOR NOMINAL DIAMETER0.350 INCHES FIRST END


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