3020-01-010-0077 GEAR,HELICAL Index 3020-01-010-0079 GEAR,SPUR

National Stock Number:
3020-01-010-0078

Federal Supply Class:
3020

National Item Identification Number:
010100078

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:
5B46D198296STANDARD MFG CO INC


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.576 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH1.250 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE20.0000 DEGREES
HUB NOMINAL DIAMETER2.250 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
KEYWAY NOMINAL WIDTH0.375 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624,COMP 8620 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.952 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.166 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.877 INCHES
NOMINAL OVERALL LENGTH1.413 INCHES
PITCH DIAMETER4.6824 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY44
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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