3020-00-253-8471 GEAR,HELICAL Index 3020-00-253-8508 GEAR,HELICAL

National Stock Number:
3020-00-253-8488

Federal Supply Class:
3020

National Item Identification Number:
002538488

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:
417308PC310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.6878 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.750 INCHES
HELIX ANGLE45.0000 DEGREES
HUB NOMINAL DIAMETER1.250 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
PITCH DIAMETER2.0030 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.165 INCHES
SPECIAL FEATURESONE HOLE,0.1695 IN. DRILLED PART WAY INTO HUB LOCATED 1/4 IN. FROM END OF HUB
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY17
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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