3020-00-266-6520 GEAR,HELICAL Index 3020-00-266-6522 GEAR,HELICAL

National Stock Number:
3020-00-266-6521

Federal Supply Class:
3020

National Item Identification Number:
002666521

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:
517538324617GENERAL MOTORS CORP
517538372582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER0.6942 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.500 INCHES
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE36.1400 DEGREES
HUB NOMINAL DIAMETER1.300 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.189 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1141 OVERALL
PITCH DIAMETER5.6607 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.800 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.350 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.423 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER5.854 INCHES
STYLE DESIGNATORCONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB
TEETH QUANTITY64
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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