3020-00-854-0956 GEAR,SPUR Index 3020-00-854-0958 GEAR,SPUR

National Stock Number:
3020-00-854-0957

Federal Supply Class:
3020

National Item Identification Number:
008540957

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:
7438-214911871RECON/OPTICAL, INC.
7438-214980294BOURNS INSTRUMENTS INC


Techincal Specification:
BORE STYLEW/COUNTERBORE BOTH ENDS
CONSTRUCTIONASSEMBLED
COUNTERBORE NOMINAL DEPTH0.056 INCHES BOTH ENDS
COUNTERBORE NOMINAL DIAMETER0.3280 INCHES BOTH ENDS
DESIGN TYPEBEVEL FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.491 INCHES BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR1 STEP BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.406 INCHES SECOND END
HUB NOMINAL DIAMETER0.500 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
MATERIALALUMINUM ALLOY 2024 FIRST GEAR
MATERIALSTEEL COMP 303 SHAFT/HUB
MATERIALSTEEL COMP 303 SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.500 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.0080 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.689 INCHES
SURFACE TREATMENTANODIZE FIRST GEAR
SURFACE TREATMENTPASSIVATE SECOND GEAR
SURFACE TREATMENTPASSIVATE SHAFT/HUB


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