3020-00-631-1231 GEAR,SPUR Index 5360-00-631-1234 SPRING,HELICAL,TORSION

National Stock Number:
3020-00-631-1233

Federal Supply Class:
3020

National Item Identification Number:
006311233

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:
907586818876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR SECOND GEAR
DESIGN TYPESPUR THIRD GEAR
DESIGN TYPESPUR FIRST GEAR
HUB NOMINAL LENGTH0.125 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.125 INCHES BETWEEN SECOND AND THIRD GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL DIAMETER0.750 INCHES BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL DIAMETER1.000 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-325 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER0.957 INCHES THIRD GEAR
NOMINAL OUTSIDE DIAMETER1.228 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.915 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.687 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL


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