3020-00-238-7669 GEAR,HELICAL Index 3020-00-238-7672 GEAR,HELICAL

National Stock Number:
3020-00-238-7670

Federal Supply Class:
3020

National Item Identification Number:
002387670

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
252954641LEAR SIEGLER INC SHERWOOD DIV
82312S41-188PC4480064NAVAL SHIP SYSTEMS COMMAND
H8688PC4454641LEAR SIEGLER INC SHERWOOD DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER1.312 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER0.876 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH3.625 INCHES
HELIX ANGLE10.0000 DEGREES
KEYWAY NOMINAL WIDTH0.187 INCHES BOTH ENDS
MATERIALCOPPER ALLOY OVERALL
MOUNTING HOLE TYPE AND QUANTITY2 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.312 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.530 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.6655 INCHES
PITCH DIAMETER2.3330 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESHOLES LOCATED 90 DEG FROM KEYWAY
STYLE DESIGNATORHUBLESS
TEETH TYPESINGLE HELIX
TEETH QUANTITY13
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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