3020-00-792-4271 GEAR CLUSTER Index 3020-00-792-4273 GEAR CLUSTER

National Stock Number:
3020-00-792-4272

Federal Supply Class:
3020

National Item Identification Number:
007924272

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:
7211479P103538LOCKHEED MARTIN CORPORATION
7211479P124446GENERAL ELECTRIC COMPANY


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL DIAMETER0.183 INCHES FIRST END
HUB NOMINAL DIAMETER0.270 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL LENGTH0.205 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.2300 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL OUTSIDE DIAMETER0.374 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.485 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.675 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 13 ALL GEARS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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