3020-00-528-7124 GEAR,HELICAL Index 3020-00-528-7131 GEAR,HELICAL

National Stock Number:
3020-00-528-7128

Federal Supply Class:
3020

National Item Identification Number:
005287128

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:
708695319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
88039B1ML14BRINKLEY TECHNOLOGY GROUP LLC
88039B28265HERCULES ENGINE CO INC
BB2365156442DIAMOND REO TRUCK CO


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER2.808 INCHES BOTH ENDS
FACE NOMINAL WIDTH1.374 INCHES
HARDNESS RATING29.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE39.5167 DEGREES
KEYWAY NOMINAL WIDTH0.377 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 3140 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.597 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER4.866 INCHES
PITCH DIAMETER4.6620 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SPECIAL FEATURES0.188 IN. BY 45 DEG CHAMFER ONE END OF BORE,TWO PULLER @HOLES 0.375-16 UNC 2B THD LOCATED ON 3.438 IN. DIA BOLT CIRCLE,CENTER PUNCH FOR TIMING ON CENTER OF TOOTH ON CENTERLINE OF KEYWAY ON OPPOSITE SIDE FROM CHAMFER
STYLE DESIGNATORHUBLESS
TEETH QUANTITY36
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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