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:
CONSTRUCTIONSOLID
DESIGN TYPESPUR ALL GEARS
HUB NOMINAL DIAMETER0.125 INCHES BOTH ENDS
HUB STYLE DESIGNATOREXTERNALLY SPLINED, STRAIGHT SPLINES BOTH ENDS
HUB NOMINAL LENGTH0.130 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAISI-416 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL OUTSIDE DIAMETER0.449 INCHES FIRST GEAR0.216 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.520 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,TABLE V,FINISH 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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