3020-01-164-3969 GEAR CLUSTER Index 3020-01-164-3971 GEAR CLUSTER

National Stock Number:
3020-01-164-3970

Federal Supply Class:
3020

National Item Identification Number:
011643970

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:
7-31131003302731MCDONNELL DOUGLAS HELICOPTER CO INC
7-31131003315152PCX AEROSYSTEMS-MANCHESTER, LLC
7-31131003322907HELIGEAR ACQUISITION CO.
7-3113100338V613THE BOEING COMPANY


Techincal Specification:
BORE NOMINAL DIAMETER2.827 INCHES FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
PART NAME ASSIGNED BY CONTROLLING AGENCYGEAR CLUSTER INTERMEDIATE STAGE MAIN TRANSMISSION
NOMINAL OUTSIDE DIAMETER3.977 INCHES ALL GEARS
SPECIAL FEATURESNSN IS A CRITICAL SAFETY ITEM (CSI)


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