4820-00-169-4752 VALVE,SAFETY RELIEF Index 3020-00-169-4756 GEAR,SPUR

National Stock Number:
3020-00-169-4754

Federal Supply Class:
3020

National Item Identification Number:
001694754

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:
SM-D-61806780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HELIX ANGLE45.0000 DEGREES
HUB NOMINAL DIAMETER0.312 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.187 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.472 INCHES
PITCH DIAMETER0.4409 INCHES MINIMUM AND 0.4419 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
TEETH TYPESINGLE HELIX
TEETH QUANTITY20
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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