3020-00-792-4269 GEAR CLUSTER Index 3020-00-792-4271 GEAR CLUSTER

National Stock Number:
3020-00-792-4270

Federal Supply Class:
3020

National Item Identification Number:
007924270

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:
7211476P103538LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.592 INCHES FIRST GEAR
1.030 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.605 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR
QUALITY NUMBER 11 ALL GEARS
BACKLASH DESIGNATIONGRADE C ALL GEARS
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
PLAIN SECOND END
PLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.240 INCHES FIRST END
0.015 INCHES SECOND END
0.110 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.183 INCHES FIRST END
0.155 INCHES SECOND END
0.906 INCHES BETWEEN FIRST AND SECOND GEAR
ATTACHMENT METHODCLAMP


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