3020-00-237-8639 GEAR,WORM WHEEL Index 5998-00-237-8642 CIRCUIT CARD ASSEMBLY

National Stock Number:
3020-00-237-8640

Federal Supply Class:
3020

National Item Identification Number:
002378640

Description:
GEAR,WORM WHEEL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.


Manufacturer Information:
322441055380HATCH & KIRK, INC.
322441072915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
TEETH QUANTITY80
TOOTH DIRECTIONRIGHT
FACE TYPECONCAVE
THROAT NOMINAL RADIUS0.187 INCHES
MATING THREAD LEAD QUANTITY1
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE4.0833 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER2.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER2.602 INCHES
FACE NOMINAL WIDTH0.219 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.313 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER0.312 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.065 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.193 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.688 INCHES FIRST END
BODY STYLEPLAIN, SOLID


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