3020-01-026-3939 GEAR,HELICAL Index 3020-01-026-3941 GEAR,HELICAL

National Stock Number:
3020-01-026-3940

Federal Supply Class:
3020

National Item Identification Number:
010263940

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:
3021632-310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BACKLASH DESIGNATIONGRADE B
BODY STYLEPLAIN, SOLID
FACE NOMINAL WIDTH0.880 INCHES
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.500 INCHES FIRST END
KEYWAY NOMINAL WIDTH0.376 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.125 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER8.9016 INCHES
PITCH DIAMETER8.7350 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 9
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY98
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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