4820-00-080-8287 VALVE,GLOBE Index 3020-00-080-8289 GEAR,HELICAL

National Stock Number:
3020-00-080-8288

Federal Supply Class:
3020

National Item Identification Number:
000808288

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:
912C237-179500WESTINGHOUSE ELECTRIC CORP
912C237-190099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER0.750 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.812 INCHES
HELIX ANGLE28.3332 DEGREES
HUB NOMINAL DIAMETER1.250 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
KEYWAY NOMINAL WIDTH0.246 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890 CLASS HG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.509 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.813 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.6990 INCHES
PITCH DIAMETER2.5880 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY41
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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