3020-00-572-1925 GEAR,SPUR Index 3020-00-572-1927 GEAR,HELICAL

National Stock Number:
3020-00-572-1926

Federal Supply Class:
3020

National Item Identification Number:
005721926

Description:
GEAR,WORM

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


Manufacturer Information:
860532419200US ARMY ARDEC RDECOM


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
THREAD FORM QUANTITY1
THREAD FORM DIRECTIONRIGHT-HAND
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.3128 INCHES NOMINAL
NOMINAL OVERALL LENGTH0.750 INCHES
NOMINAL OUTSIDE DIAMETER0.344 INCHES
FACE NOMINAL WIDTH0.562 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.188 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
HUB STYLE DESIGNATORPINNED FIRST END
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.052 INCHES TRANSVERSELY THROUGH HUB, FIRST END
THE MANUFACTURERS DATA
MANUFACTURERS CODE19200
DESIGN CONTROL REFERENCE8605324


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