1680-00-677-6255 CAM,GEAR BOX Index 3040-00-677-6257 GEARSHAFT,SPUR

National Stock Number:
3020-00-677-6256

Federal Supply Class:
3020

National Item Identification Number:
006776256

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:
460-1548ZY0MAS COMPONENTS & COATINGS, LLC
460-1575324KILGORE FLARES COMPANY LLC
460-1593712ALLIANT DEFENSE ELECTRONICS SYSTEMS INC DBA LUNDY TECHNICAL CENTER


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.2060 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.210 INCHES
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE5.7665 DEGREES
HUB NOMINAL DIAMETER0.370 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.062 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.240 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.4160 INCHES
PITCH DIAMETER0.3750 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH TYPESINGLE HELIX
TEETH QUANTITY18
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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