2520-00-347-4548 GEAR,SPUR Index 2520-00-347-4550 CLUTCH,SLIDING SLEEVE,VEHICULAR

National Stock Number:
3020-00-347-4549

Federal Supply Class:
3020

National Item Identification Number:
003474549

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:
2-P-1278N900DANA CORP DRIVETRAIN SERVICE DIV
2387T256442DIAMOND REO TRUCK CO
753867219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
91487458275SASCO INC CANADIAN DIV
2P12795019DANA CORP SPICER TRANSMISSION DIV


Techincal Specification:
BORE NOMINAL DIAMETER1.406 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPEHELICAL SECOND GEAR
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.763 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER1.745 INCHES FIRST END
HUB NOMINAL DIAMETER2.000 INCHES SECOND END
HUB NOMINAL LENGTH0.015 INCHES SECOND END
HUB NOMINAL LENGTH0.062 INCHES FIRST END
HUB NOMINAL LENGTH0.104 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620H OVERALL
NOMINAL OUTSIDE DIAMETER1.968 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER2.734 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.932 INCHES


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