3020-00-073-6644 GEAR,ANTIBACKLASH,SPUR Index 3020-00-073-6646 GEAR CLUSTER

National Stock Number:
3020-00-073-6645

Federal Supply Class:
3020

National Item Identification Number:
000736645

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:
185249203956NORTHROP GRUMMAN SYSTEMS CORPORATION
185249256232LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HUB NOMINAL LENGTH0.125 INCHES BETWEEN FIRST AND SECOND GEAR
MATERIALALUMINUM ALLOY 2024 FIRST GEAR
MATERIALSTEEL COMP 303 SECOND GEAR
MATERIALSTEEL COMP 303 SHAFT/HUB
NOMINAL OUTSIDE DIAMETER1.894 INCHES FOURTH GEAR
NOMINAL OVERALL LENGTH0.344 INCHES
NOMINAL THREAD SIZE0.112 INCHES BOTH ENDS
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
SURFACE TREATMENTANODIZE FIRST GEAR
SURFACE TREATMENTPASSIVATE SECOND GEAR
SURFACE TREATMENTPASSIVATE SHAFT/HUB
THREAD SERIES DESIGNATORUNC BOTH ENDS


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