3020-00-080-8288 GEAR,HELICAL Index 4820-00-080-8290 VALVE,REGULATING,TEMPERATURE

National Stock Number:
3020-00-080-8289

Federal Supply Class:
3020

National Item Identification Number:
000808289

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:
912C237-279500WESTINGHOUSE ELECTRIC CORP
912C237-290099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY68
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE28.3332 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER4.2920 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER4.4030 INCHES
FACE NOMINAL WIDTH0.812 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.563 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER0.813 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.246 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.540 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER2.000 INCHES FIRST END
BODY STYLEPLAIN, SOLID
THE MANUFACTURERS DATA
MANUFACTURERS CODE90099
DESIGN CONTROL REFERENCE912C237-2


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