2520-00-447-2685 GEAR,COUNTERSHAFT Index 2520-00-447-2687 GEAR,IDLER SHAFT

National Stock Number:
3020-00-447-2686

Federal Supply Class:
3020

National Item Identification Number:
004472686

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:
365987111862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
365987122852SPALLA INC
624593719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
365987124617GENERAL MOTORS CORP
36598717X677GENERAL MOTORS LLC


Techincal Specification:
BODY STYLEWEBBED, OFFSET, SOLID
FACE NOMINAL WIDTH1.875 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE25.8419 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.562 INCHES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION66 AISI/SAE E4340 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340H OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.094 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.375 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER5.700 INCHES
NOMINAL OVERALL LENGTH2.344 INCHES
PITCH DIAMETER5.3704 INCHES NOMINAL
PRESSURE ANGLE17.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY29
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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