3020-00-253-8508 GEAR,HELICAL Index 3020-00-253-8511 GEAR,HELICAL

National Stock Number:
3020-00-253-8510

Federal Supply Class:
3020

National Item Identification Number:
002538510

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:
299454PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
MATERIALSTEEL COMP 4640 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
33.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY21
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE45.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER4.9497 INCHES NOMINAL
NOMINAL OVERALL LENGTH1.591 INCHES
NOMINAL OUTSIDE DIAMETER5.278 INCHES
FACE NOMINAL WIDTH1.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES FIRST END
0.091 INCHES SECOND END
BORE STYLESTRAIGHT SPLINE BOTH ENDS
BORE NOMINAL DIAMETER1.063 INCHES BOTH ENDS
SPLINE QUANTITY6 BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.000 INCHES FIRST END
1.563 INCHES SECOND END
BODY STYLEPLAIN, SOLID
THE MANUFACTURERS DATA
MANUFACTURERS CODE10001
DESIGN CONTROL REFERENCE299454PC1


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