3020-00-391-9543 GEAR,HELICAL Index 5310-00-391-9546 NUT,PLAIN,HEXAGON

National Stock Number:
3020-00-391-9544

Federal Supply Class:
3020

National Item Identification Number:
003919544

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:
517020672582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER1.123 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.813 INCHES
HARDNESS RATING15.0 ROCKWELL C MINIMUM AND 23.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE19.4658 DEGREES
HUB NOMINAL DIAMETER1.625 INCHES SECOND END
HUB NOMINAL DIAMETER2.000 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.189 INCHES BOTH ENDS
MATERIALIRON CAST OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.188 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.658 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER7.036 INCHES
SPECIAL FEATURES3 BALANCE WEIGHTS,3 RIVETS
PITCH DIAMETER6.7880 INCHES NOMINAL
PRESSURE ANGLE16.0000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE FLUSH HUB
TEETH QUANTITY64
TEETH TYPESINGLE HELIX
TOOTH FORMSPECIAL
TOOTH DIRECTIONLEFT


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