3020-00-226-2965 GEAR CLUSTER Index 3020-00-226-2972 GEAR CLUSTER,SPUR

National Stock Number:
3020-00-226-2968

Federal Supply Class:
3020

National Item Identification Number:
002262968

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:
570A460-717-10325500LOCKHEED MARTIN CORPORATION


Techincal Specification:
DESIGN TYPESPUR FIRST GEARSPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEARSPUR SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COMP FM MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEARMIL-S-7720,COMP FM MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-267,ALLOY 2024,T4 CANCELED FED SPEC SINGLE MATERIAL RESPONSE SECOND GEARQQ-A-267,ALLOY 2024,T4 CANCELED FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIALALUMINUM ALLOY 2024 SECOND GEARALUMINUM ALLOY 2024 SECOND GEAR
MATERIALSTEEL FIRST GEARSTEEL FIRST GEAR
NOMINAL OUTSIDE DIAMETER1.6870 INCHES FIRST GEAR1.6870 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER1.2700 INCHES SECOND GEAR1.2700 INCHES SECOND GEAR
SURFACE TREATMENTANODIZE SECOND GEARANODIZE SECOND GEAR
SURFACE TREATMENTPASSIVATE FIRST GEARPASSIVATE FIRST GEAR


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