3020-01-238-8800 GEAR,HELICAL Index 3020-01-238-8802 GEAR,HELICAL

National Stock Number:
3020-01-238-8801

Federal Supply Class:
3020

National Item Identification Number:
012388801

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:
DP-8621B589PHILLIPS CORPORATION DIV FEDERAL DIVISION
DP-86280300ELECTRO-MECHANO INC. DBA E M INSTRUMENTS DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER1.875 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER1.083 INCHES BOTH ENDS
BORE STYLEW/COUNTERBORE SECOND END
COUNTERBORE NOMINAL DEPTH0.375 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DIAMETER1.999 INCHES COUNTER BORE, SECOND END
FACE NOMINAL WIDTH0.624 INCHES
FIRST GROOVE NOMINAL DIAMETER1.195 INCHES FIRST END
FIRST GROOVE NOMINAL DIAMETER2.145 INCHES SECOND END
FIRST GROOVE NOMINAL WIDTH0.058 INCHES FIRST END
FIRST GROOVE NOMINAL WIDTH0.062 INCHES SECOND END
HELIX ANGLE36.8667 DEGREES
HUB STYLE DESIGNATOR1 GROOVE SECOND END
HUB STYLE DESIGNATOR2 GROOVES FIRST END
HUB NOMINAL DIAMETER1.250 INCHES FIRST END
HUB NOMINAL DIAMETER2.185 INCHES SECOND END
MATERIALSTEEL COMP 8620 OVERALL
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.125 INCHES AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE FROM END TO FIRST GROOVE0.407 INCHES SECOND END
NOMINAL DISTANCE FROM END TO FIRST GROOVE0.474 INCHES FIRST END
NOMINAL DISTANCE FROM END TO SECOND GROOVE1.814 INCHES FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.469 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.938 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.585 INCHES
PITCH DIAMETER2.4998 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SECOND GROOVE NOMINAL DIAMETER1.210 INCHES FIRST END
SECOND GROOVE NOMINAL WIDTH0.062 INCHES FIRST END
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY40
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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