3455-00-238-7666 CUTTER,MILLING,INVOLUTE GEAR Index 3020-00-238-7670 GEAR,HELICAL

National Stock Number:
3020-00-238-7669

Federal Supply Class:
3020

National Item Identification Number:
002387669

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:
251854641LEAR SIEGLER INC SHERWOOD DIV
82312S41-188PC3480064NAVAL SHIP SYSTEMS COMMAND
H8688PC3454641LEAR 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 BOTH ENDS
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, SECOND END
MOUNTING HOLE NOMINAL THREAD SIZE0.312 INCHES AXIALLY THROUGH BODY, SECOND END
MOUNTING HOLE THREAD QUANTITY PER INCH18 AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH BODY, SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.530 INCHES BOTH ENDS
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 DIRECTIONRIGHT
TOOTH FORMSTANDARD


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