3020-00-585-9904 GEAR,SPUR Index 3020-00-585-9906 GEAR,SPUR

National Stock Number:
3020-00-585-9905

Federal Supply Class:
3020

National Item Identification Number:
005859905

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:
907284718876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL DIAMETER0.875 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.085 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.2270 INCHES FIRST END
HUB NOMINAL DIAMETER0.313 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-325,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
NOMINAL OUTSIDE DIAMETER1.165 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.915 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.562 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH 7.1.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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