3020-00-317-3711 GEAR,HELICAL Index 2840-00-317-3713 INSULATION BLANKET,THERMAL,AIRCR

National Stock Number:
3020-00-317-3712

Federal Supply Class:
3020

National Item Identification Number:
003173712

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:
9952306650BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.2500 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.032 INCHES FIRST END
COUNTERBORE NOMINAL DIAMETER0.4370 INCHES SECOND END
FACE NOMINAL WIDTH0.093 INCHES
HELIX ANGLE6.1999 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.001 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.0330 INCHES
PITCH DIAMETER1.0038 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY72
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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