3020-00-415-6528 GEAR,SPUR Index 4140-00-415-6530 FAN,MUFFIN

National Stock Number:
3020-00-415-6529

Federal Supply Class:
3020

National Item Identification Number:
004156529

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:
285233910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.094 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.1660 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN SECOND END
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.250 INCHES BOTH ENDS
HUB NOMINAL DIAMETER0.375 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.015 INCHES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL OUTSIDE DIAMETER1.560 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.560 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.603 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 ALL GEARS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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