3020-00-734-6763 GEAR,HELICAL Index 3020-00-734-6765 GEAR,HELICAL

National Stock Number:
3020-00-734-6764

Federal Supply Class:
3020

National Item Identification Number:
007346764

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:
3020007346764SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
3892S121522852SPALLA INC
734676419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
3892S12153D6E9MERITOR INDUSTRIAL PRODUCTS, LLC
KC530556442DIAMOND REO TRUCK CO
3892S121578500MERITOR HEAVY VEHICLE SYSTEMS, LLC


Techincal Specification:
BORE NOMINAL DIAMETER3.002 INCHES FIRST END
BORE STYLEW/COUNTERBORE FIRST END
CONSTRUCTIONSOLID
COUNTERBORE NOMINAL DEPTH0.156 INCHES FIRST END
COUNTERBORE NOMINAL DIAMETER4.8750 INCHES FIRST END
DESIGN TYPEHELICAL SECOND GEAR
DESIGN TYPESPUR FIRST GEAR
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL LENGTH0.500 INCHES SECOND END
HUB NOMINAL LENGTH0.626 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER3.563 INCHES SECOND END
HUB NOMINAL DIAMETER4.125 INCHES FIRST END
HUB NOMINAL DIAMETER5.313 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620 OVERALL
NOMINAL OVERALL LENGTH2.563 INCHES
NOMINAL OUTSIDE DIAMETER6.453 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER8.116 INCHES SECOND GEAR


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