3020-00-288-2947 GEAR,HELICAL Index 3020-00-288-2949 GEAR,HELICAL

National Stock Number:
3020-00-288-2948

Federal Supply Class:
3020

National Item Identification Number:
002882948

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:
10A5281PC311660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
10A5281PC390099NORTHROP GRUMMAN SYSTEMS CORPORATION
3274894PC380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER4.250 INCHES AXIALLY THROUGH BODY FIRST END
BORE NOMINAL DIAMETER3.2500 INCHES BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.6880 INCHES BOTH ENDS
COUNTERBORE NOMINAL DIAMETER5.251 INCHES BOTH ENDS
FACE NOMINAL WIDTH2.000 INCHES
MATERIALCOPPER ALLOY OVERALL
PITCH DIAMETER6.6012 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
MOUNTING HOLE TYPE AND QUANTITY6 COUNTERBORED AND 6 PLAIN AXIALLY THROUGH BODY SECOND END
MOUNTING HOLE NOMINAL DIAMETER0.531 INCHES AXIALLY THROUGH BODY SECOND END
NOMINAL OUTSIDE DIAMETER6.9345 INCHES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY23
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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