3020-00-776-7387 GEAR,SPUR Index 3020-00-776-7389 GEAR,BEVEL

National Stock Number:
3020-00-776-7388

Federal Supply Class:
3020

National Item Identification Number:
007767388

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:
51550802978RENK AMERICA LLC
776738819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.315 INCHES BOTH ENDS
END NOMINAL DIAMETER0.371 INCHES FIRST END
END NOMINAL LENGTH0.470 INCHES FIRST END
FACE NOMINAL WIDTH0.949 INCHES
FIRST STEP NOMINAL LENGTH1.400 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER0.470 INCHES FIRST END
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE54.0000 DEGREES
HUB STYLE DESIGNATOR2 STEPS FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI/SAE 8620 FED STD 1ST MATERIAL RESPONSE AND 66,AISI/SAE 8720 FED STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620 AND STEEL COMP 8720 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END2.721 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.185 INCHES
NOMINAL OVERALL LENGTH3.670 INCHES
SPECIAL FEATURES3/8-24NF 3A THD 15/32 IN. LG ON HUB END
PITCH DIAMETER1.0633 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SECOND STEP NOMINAL DIAMETER0.813 INCHES FIRST END
SECOND STEP NOMINAL LENGTH0.851 INCHES FIRST END
STYLE DESIGNATORPROTRUDING HUB
TEETH TYPESINGLE HELIX
TEETH QUANTITY10
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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