3020-00-706-9343 GEAR CLUSTER Index 6605-00-706-9348 HUB AND GEAR ASSY

National Stock Number:
3020-00-706-9347

Federal Supply Class:
3020

National Item Identification Number:
007069347

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:
B311-34692755NORTHROP GRUMMAN SYSTEMS CORP


Techincal Specification:
MATERIALSTEEL COMP 304L SHAFT/HUB
COPPER ALLOY FIRST GEAR
STEEL COMP 304L SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
QQ-S-763,CLASS 304L FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENTPASSIVATE SHAFT/HUB
PASSIVATE SECOND GEAR
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.9792 INCHES FIRST GEAR
1.1667 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.995 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 9 ALL GEARS
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.625 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
1 STEP BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH0.015 INCHES FIRST END
0.729 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER0.812 INCHES FIRST END
1.125 INCHES BETWEEN FIRST AND SECOND GEAR


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