3020-00-434-7659 GEAR CLUSTER Index 3040-00-434-7661 GEARSHAFT,SPUR

National Stock Number:
3020-00-434-7660

Federal Supply Class:
3020

National Item Identification Number:
004347660

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:
AYLC173-105624GE AVIATION SYSTEMS LLC


Techincal Specification:
BORE NOMINAL DIAMETER0.154 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIALSTEEL COMP 1095 FIRST GEAR
MATERIALSTEEL COMP 303 SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.9680 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER0.3300 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.274 INCHES
SURFACE TREATMENTOXIDE OVERALL


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