3020-01-181-8573 GEAR,SPUR Index 3020-01-181-8575 GEAR CLUSTER

National Stock Number:
3020-01-181-8574

Federal Supply Class:
3020

National Item Identification Number:
011818574

Description:
GEAR,WORM

Detail:
A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.


Manufacturer Information:
3109847496THE DEWEY ELECTRONICS CORPORATION
31098-147496THE DEWEY ELECTRONICS CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 303S OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FACE TYPESTRAIGHT
THREAD FORM QUANTITY4
THREAD FORM DIRECTIONRIGHT-HAND
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE7.1833 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR
QUALITY NUMBER 11
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER0.531 INCHES
FACE NOMINAL WIDTH0.750 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.110 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.249 INCHES BOTH ENDS
HUB STYLE DESIGNATORPINNED FIRST END
HUB NOMINAL DIAMETER0.437 INCHES FIRST END


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