3020-00-289-7490 GEAR,WORM Index 1560-00-289-7495 STRIP ASSY,ELEVATOR

National Stock Number:
3020-00-289-7491

Federal Supply Class:
3020

National Item Identification Number:
002897491

Description:
GEAR,WORM

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


Manufacturer Information:
458-30815280NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
458-30826916NORTHROP GRUMMAN SYSTEMS CORPORATION
8539366717WURLITZER CO THE


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BORE NOMINAL DIAMETER0.1878 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE TYPESTRAIGHT
FACE NOMINAL WIDTH0.562 INCHES
HELIX ANGLE45.9664 DEGREES
HUB NOMINAL DIAMETER0.260 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER0.3320 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.052 INCHES TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1875 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.3746 INCHES
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
THREAD FORM DIRECTIONRIGHT-HAND
THREAD FORM QUANTITY4


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