2520-00-451-4637 CASE ASSEMBLY,DIFF Index 2540-00-451-4640 BLADE,WINDSHIELD WIPER

National Stock Number:
3020-00-451-4639

Federal Supply Class:
3020

National Item Identification Number:
004514639

Description:
GEAR,WORM

Detail:
A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.


Manufacturer Information:
529260C90026-0122525INSTRUMENTS AND FLIGHT RESEARCH INC.
W32S3D29440W. M. BERG INC


Techincal Specification:
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
FACE TYPESTRAIGHT
THREAD FORM QUANTITY2
THREAD FORM DIRECTIONRIGHT-HAND
PRESSURE ANGLE20.0000 DEGREES
HELIX ANGLE8.1333 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.4375 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER0.500 INCHES
FACE NOMINAL WIDTH0.688 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.188 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
HUB STYLE DESIGNATORPINNED FIRST END
HUB NOMINAL DIAMETER0.375 INCHES FIRST END


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