3020-00-971-5020 GEAR,HELICAL Index 3020-00-971-5022 GEAR,HELICAL

National Stock Number:
3020-00-971-5021

Federal Supply Class:
3020

National Item Identification Number:
009715021

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:
205-9A98435MARMON GROUP INC THE ACTIVE GEAR CO DIV
62-1-895019DANA CORP SPICER TRANSMISSION DIV
871220919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
973593R189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT
973593R192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER2.375 INCHES BOTH ENDS
FACE NOMINAL WIDTH1.281 INCHES
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE26.1838 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER3.500 INCHES FIRST END
HUB NOMINAL DIAMETER3.500 INCHES SECOND END
KEYWAY NOMINAL WIDTH0.375 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620H OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.234 INCHES SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.406 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.844 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER8.223 INCHES
PITCH DIAMETER7.9857 INCHES NOMINAL
PRESSURE ANGLE17.5000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE RECESSED HUB
TEETH QUANTITY43
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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