3020-00-073-6649 GEAR CLUSTER Index 3010-00-073-6651 GEAR ASSEMBLY,SPEED DECREASER

National Stock Number:
3020-00-073-6650

Federal Supply Class:
3020

National Item Identification Number:
000736650

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:
187917903956NORTHROP GRUMMAN SYSTEMS CORPORATION
187917956232LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 FIRST GEAR
STEEL COMP 303 SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
SURFACE TREATMENTANODIZE FIRST GEAR
PASSIVATE SECOND GEAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER1.7489 INCHES FIRST GEAR
0.3734 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.406 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 12 ALL GEARS
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
THE MANUFACTURERS DATA
MANUFACTURERS CODE03956
DESIGN CONTROL REFERENCE1879179


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