3020-00-217-2942 GEAR CLUSTER Index 5895-00-217-2945 GEAR ASSEMBLY

National Stock Number:
3020-00-217-2943

Federal Supply Class:
3020

National Item Identification Number:
002172943

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:
0114-0068599872ENTRON INDUSTRIES LIMITED PARTNERSHIP DBA ENTRON INDUSTRIES PROPERTY DIV
E160636378RAYTHEON TECHNICAL SERVICES COMPANY


Techincal Specification:
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
CONSTRUCTIONSOLID
DESIGN TYPESPUR ALL GEARS
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758-3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL OUTSIDE DIAMETER1.499 INCHES FIRST GEAR
NOMINAL OUTSIDE DIAMETER0.694 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH0.524 INCHES
SPECIAL FEATURES20 CLUTCH TEETH EVENLY SPACED AT THE OUTSIDE OF SECOND GEAR WITH .617 IN NOM OD
PRECISION CLASSIFICATIONQUALITY NUMBER 9 ALL GEARS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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