3020-00-273-8977 GEAR,WORM Index 3010-00-273-8987 COUPLING HALF,SHAFT

National Stock Number:
3020-00-273-8979

Federal Supply Class:
3020

National Item Identification Number:
002738979

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:
2764-183ALT3M4E96169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
TEETH QUANTITY18
TOOTH DIRECTIONRIGHT
FACE TYPECONCAVE
THROAT NOMINAL RADIUS0.844 INCHES
MATING THREAD LEAD QUANTITY1
HELIX ANGLE9.7998 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER7.1620 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER8.188 INCHES
FACE NOMINAL WIDTH2.188 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.156 INCHES FIRST END
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
BORE NOMINAL DIAMETER2.001 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.500 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.187 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER2.625 INCHES FIRST END
BODY STYLEWEBBED, SOLID


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