4140-00-347-9369 IMPELLER FAN CENTER Index 6210-00-347-9381 LENS,LIGHT

National Stock Number:
3020-00-347-9380

Federal Supply Class:
3020

National Item Identification Number:
003479380

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:
7776C3582402TRIUMPH GEAR SYSTEMS INC
7792386768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER3.500 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER1.751 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
END NOMINAL DIAMETER2.372 INCHES FIRST END
END NOMINAL LENGTH0.750 INCHES FIRST END
FACE NOMINAL WIDTH1.000 INCHES
FIRST STEP NOMINAL DIAMETER2.363 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.923 INCHES FIRST END
HARDNESS RATING32.0 ROCKWELL C NOMINAL OVERALL
HELIX ANGLE10.1500 DEGREES
HUB STYLE DESIGNATOR2 STEPS FIRST END
KEYWAY NOMINAL WIDTH0.376 INCHES FIRST END
MATERIALSTEEL COMP 4140 OVERALL
MOUNTING HOLE THREAD SERIES DESIGNATORUNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END2.313 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.048 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER5.1995 INCHES
PITCH DIAMETER4.9520 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SECOND STEP NOMINAL DIAMETER2.750 INCHES FIRST END
SECOND STEP NOMINAL LENGTH0.640 INCHES FIRST END
SPECIAL FEATURESONE MTG HOLE ON TOPS KEYWAY,ONE MTG HOLE 180 DEP APART
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY39
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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