3020-00-138-0544 GEAR CLUSTER Index 3020-00-138-0546 GEAR

National Stock Number:
3020-00-138-0545

Federal Supply Class:
3020

National Item Identification Number:
001380545

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:
738650-196214RAYTHEON COMPANY


Techincal Specification:
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.026 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.1150 INCHES BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL LENGTH0.1360 INCHES SECOND END
HUB NOMINAL LENGTH0.5280 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL OUTSIDE DIAMETER0.290 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.721 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.970 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
SURFACE TREATMENTPASSIVATE OVERALL


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