4730-00-851-4715 ELBOW,PIPE Index 3020-00-851-4717 GEAR AND SHAFT ASSE

National Stock Number:
3020-00-851-4716

Federal Supply Class:
3020

National Item Identification Number:
008514716

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:
163441019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
4M993311083CATERPILLAR INC
4M993325496HOLT BROS


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER2.566 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.750 INCHES
HARDNESS RATING77.0 ROCKWELL C MINIMUM AND 81.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE17.7528 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER3.500 INCHES FIRST END
KEYWAY NOMINAL WIDTH0.189 INCHES BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.385 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.314 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.400 INCHES
SPECIAL FEATURES45 DEG 3.156 IN. DIA COUNTERSINK IN BORE ON 1ST END,LETTER B STAMPED ON CENTER LINE OF TOOTH 73 DEG 5 MIN 54 SEC CCW FROM CENTER LINE OF KEYWAY,LETTER C STAMPED ON CENTERLINE OF TOOTH 130 DEG 54 MIN 6 SEC CW FROM CENTER LINE OF KEYWAY
PITCH DIAMETER4.2000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY40
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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