3020-01-389-9651 GEAR,HELICAL Index 3040-01-389-9653 HUB,BODY

National Stock Number:
3020-01-389-9652

Federal Supply Class:
3020

National Item Identification Number:
013899652

Description:
GEAR,INTERNAL

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


Manufacturer Information:
21104110653711NAVAL SEA SYSTEMS COMMAND
801-640670953711NAVAL SEA SYSTEMS COMMAND
801-6406709 FIND 6253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER3.780 INCHES SECOND END
BORE STYLESTRAIGHT SPLINE FIRST END
BORE STYLEW/STEPPED COUNTERBORE SECOND END
BORE NOMINAL DIAMETER1.719 INCHES FIRST END
COUNTERBORE NOMINAL DEPTH0.219 INCHES SECOND END
COUNTERBORE NOMINAL DIAMETER3.940 INCHES SECOND END
END NOMINAL DIAMETER3.500 INCHES FIRST END
END NOMINAL LENGTH0.846 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER4.498 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.219 INCHES FIRST END
FLANGE NOMINAL DIAMETER5.320 INCHES
FLANGE NOMINAL THICKNESS0.750 INCHES
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIALSTEEL OVERALL
NOMINAL OUTSIDE DIAMETER5.342 INCHES
NOMINAL OVERALL LENGTH3.940 INCHES
PITCH DIAMETER4.2000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE QUANTITY8 FIRST END
STYLE DESIGNATORFLANGED RING
TEETH QUANTITY42
TEETH TYPESPUR
TOOTH FORMSTUB


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