3020-00-395-1888 GEAR,HELICAL Index 3020-00-395-1895 GEAR,INTERNAL

National Stock Number:
3020-00-395-1889

Federal Supply Class:
3020

National Item Identification Number:
003951889

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:
13ADD8660APC2-67PZX0FAIRBANKS MORSE, LLC
13ADD8660APC2-682796COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE
15ADD8660APC2-67PZX0FAIRBANKS MORSE, LLC
3848ADDBC7PZX0FAIRBANKS MORSE, LLC
3848ADDBC82796COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE
15ADD8660APC2-682796COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE
MADG8660APC2-67PZX0FAIRBANKS MORSE, LLC
MADG8660APC2-682796COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER4.626 INCHES COUNTERBORE, FIRST END
BORE STYLEW/COUNTERBORE COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DEPTH1.875 INCHES COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DIAMETER8.625 INCHES COUNTERBORE, FIRST END
FACE NOMINAL WIDTH1.375 INCHES
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE28.2250 DEGREES
HUB NOMINAL DIAMETER5.625 INCHES SECOND END
HUB NOMINAL DIAMETER9.250 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,ALLOY NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MOUNTING HOLE TYPE AND QUANTITY6 PLAIN AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.500 INCHES AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.375 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.375 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.949 INCHES
PITCH DIAMETER9.7280 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY60
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT


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