3020-00-540-7425 GEAR,SPUR Index 3020-00-540-7428 GEAR,HELICAL

National Stock Number:
3020-00-540-7427

Federal Supply Class:
3020

National Item Identification Number:
005407427

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:
177946PC910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
ATTACHMENT METHODCLAMP
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.2501 INCHES BOTH ENDS
END NOMINAL DIAMETER0.3127 INCHES FIRST END
END NOMINAL LENGTH0.2700 INCHES FIRST END
FACE NOMINAL WIDTH0.190 INCHES
FIRST STEP NOMINAL DIAMETER0.3700 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.0400 INCHES FIRST END
HELIX ANGLE9.9664 DEGREES
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.3100 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.3515 INCHES
SPECIAL FEATURES4 SAWCUTS 0.030 IN. W BY 0.310 IN. DEEP EQUALLY SPACED ON HUB,0.004 MAX TOTAL INDICATOR READING BETWEEN BORE DIA @AND GEAR FACE
PITCH DIAMETER1.2690 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY30
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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