3020-00-517-3251 GEAR,HELICAL Index 3020-00-517-3259 GEAR,HELICAL

National Stock Number:
3020-00-517-3257

Federal Supply Class:
3020

National Item Identification Number:
005173257

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:
5419N0AT62SIEMENS ENERGY, INC.
5419N830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
5419N8FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
5419N93236DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY66
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT
PRESSURE ANGLE20.0000 DEGREES
HELIX ANGLE30.0000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE RECESSED HUB
PITCH DIAMETER5.4950 INCHES MINIMUM AND
5.5050 INCHES MAXIMUM
NOMINAL OVERALL LENGTH1.469 INCHES
FACE NOMINAL WIDTH0.875 INCHES
KEYWAY NOMINAL WIDTH0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.625 INCHES FIRST END
2.500 INCHES SECOND END
BODY STYLEWEBBED, OFFSET, WITH LIGHTENING HOLES


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