3020-00-517-3922 GEAR,HELICAL Index 3020-00-517-3925 GEAR,HELICAL

National Stock Number:
3020-00-517-3924

Federal Supply Class:
3020

National Item Identification Number:
005173924

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:
19N25050024COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
19N2507PZX0FAIRBANKS MORSE, LLC
19N40050024COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
19N4007PZX0FAIRBANKS MORSE, LLC
5351A50024COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
5351A7PZX0FAIRBANKS MORSE, LLC
53934A50024COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
53934A7PZX0FAIRBANKS MORSE, LLC


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER10.249 INCHES BOTH ENDS
END NOMINAL DIAMETER11.499 INCHES FIRST END
END NOMINAL DIAMETER11.499 INCHES SECOND END
END NOMINAL LENGTH1.503 INCHES FIRST END
END NOMINAL LENGTH1.503 INCHES SECOND END
FACE NOMINAL WIDTH3.000 INCHES
FIRST STEP NOMINAL DIAMETER11.937 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.243 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.243 INCHES SECOND END
HELIX ANGLE15.3603 DEGREES
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
KEYWAY NOMINAL WIDTH0.976 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CLASS AC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM5.390 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.747 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER12.843 INCHES
NOMINAL OVERALL LENGTH6.496 INCHES
PITCH DIAMETER12.4450 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY60
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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