3020-00-649-6947 GEAR,SPUR Index 3020-00-649-6949 GEAR,SPUR

National Stock Number:
3020-00-649-6948

Federal Supply Class:
3020

National Item Identification Number:
006496948

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:
908565718876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER1.202 INCHES BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-325 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
NOMINAL OUTSIDE DIAMETER1.863 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER1.946 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.535 INCHES


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