3020-01-287-4140 GEAR,WORM Index 3010-01-287-4142 CONTROL,MOTOR-TRANSMISSION

National Stock Number:
3020-01-287-4141

Federal Supply Class:
3020

National Item Identification Number:
012874141

Description:
GEAR,WORM

Detail:
A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.


Manufacturer Information:
11171399145EATON AEROSPACE LLC ED AND C WEST DIV
111713-217472EATON AEROSPACE LLC
111713-299145EATON AEROSPACE LLC ED AND C WEST DIV


Techincal Specification:
END NOMINAL DIAMETER0.249 INCHES FIRST END
END NOMINAL DIAMETER0.249 INCHES SECOND END
END NOMINAL LENGTH0.210 INCHES SECOND END
END NOMINAL LENGTH0.640 INCHES FIRST END
FACE NOMINAL WIDTH0.560 INCHES
FACE TYPESTRAIGHT
FIRST STEP NOMINAL DIAMETER0.320 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER0.320 INCHES SECOND END
FIRST STEP NOMINAL LENGTH0.438 INCHES SECOND END
FIRST STEP NOMINAL LENGTH1.122 INCHES FIRST END
HARDNESS RATING48.0 ROCKWELL C MINIMUM OVERALL AND 52.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE4.0833 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATIONAISI4340 FED STD SINGLE MATERIAL RESPONSE OVERALL
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
III MATERIALSTEEL COMP 4340 OVERALL
PITCH DIAMETER0.4388 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.648 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.762 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.501 INCHES
SPECIAL FEATURESKEYWAY LOCATED ON 0.640IN.LENGTH HUB END,0.062IN.WIDE 0.030IN.DEEP
STYLE DESIGNATORPROTRUDING HUBS
THREAD FORM DIRECTIONRIGHT-HAND
THREAD FORM QUANTITY1


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