3020-01-054-9529 GEAR,HELICAL Index 3020-01-054-9531 GEAR,SPUR

National Stock Number:
3020-01-054-9530

Federal Supply Class:
3020

National Item Identification Number:
010549530

Description:
GEAR,INTERNAL

Detail:
A GEAR WITH TEETH FORMED ON THE INNER SURFACE OF A CYLINDER OR CONE.


Manufacturer Information:
30273222830SYMETRICS INDUSTRIES, LLC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER8.500 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER9.281 INCHES AXIALLY THROUGH FLANGE
FLANGE NOMINAL DIAMETER9.625 INCHES
FLANGE NOMINAL THICKNESS0.250 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MOUNTING HOLE TYPE AND QUANTITY4 THREADED AXIALLY THROUGH FLANGE
MOUNTING HOLE TYPE AND QUANTITY8 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES AXIALLY THROUGH FLANGE
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH FLANGE
NOMINAL OUTSIDE DIAMETER9.000 INCHES
NOMINAL OVERALL LENGTH0.750 INCHES
PITCH DIAMETER7.5650 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORFLANGED RING
TEETH TYPESPUR
TEETH QUANTITY123
TOOTH FORMSTANDARD


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