3040-00-070-1157 GEARSHAFT,HELICAL-SPUR Index 2840-00-070-1160 VANE,FAN,AIRCRAFT GAS TURBINE EN

National Stock Number:
3020-00-070-1158

Federal Supply Class:
3020

National Item Identification Number:
000701158

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:
685587163005ROLLS-ROYCE CORPORATION
685587173342ALLISON TRANSMISSION INC


Techincal Specification:
MATERIALSTEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI-416 ASSN STD 1ST MATERIAL RESPONSE OR
QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,TABLE V,FINISH 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONSTRUCTIONSOLID
DESIGN TYPESPUR ALL GEARS
NOMINAL OUTSIDE DIAMETER0.449 INCHES FIRST GEAR
0.216 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.520 INCHES
HUB STYLE DESIGNATOREXTERNALLY SPLINED, STRAIGHT SPLINES BOTH ENDS
HUB NOMINAL LENGTH0.130 INCHES BOTH ENDS
HUB NOMINAL DIAMETER0.125 INCHES BOTH ENDS


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