3020-00-689-6788 GEAR,HELICAL Index 6625-00-689-6790 PLUG-IN UNIT,ELECTRONIC TEST EQU

National Stock Number:
3020-00-689-6789

Federal Supply Class:
3020

National Item Identification Number:
006896789

Description:
GEAR,WORM

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


Manufacturer Information:
228B248H0179500WESTINGHOUSE ELECTRIC CORP
228B248H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BORE STYLEW/COUNTERBORE BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
COUNTERBORE NOMINAL DIAMETER0.938 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DEPTH0.063 INCHES COUNTER BORE, SECOND END
FACE NOMINAL WIDTH0.375 INCHES
HELIX ANGLE6.5933 DEGREES
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
NOMINAL OVERALL LENGTH0.625 INCHES
PITCH DIAMETER1.3594 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
THREAD FORM DIRECTIONLEFT-HAND
THREAD FORM QUANTITY4


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