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


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