3020-00-274-2953 GEAR,WORM Index 3020-00-274-2968 GEAR,HELICAL

National Stock Number:
3020-00-274-2965

Federal Supply Class:
3020

National Item Identification Number:
002742965

Description:
GEAR,WORM

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


Manufacturer Information:
317658PC310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
MATERIALCOPPER ALLOY 642 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-645 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FACE TYPESTRAIGHT
THREAD FORM QUANTITY1
THREAD FORM DIRECTIONLEFT-HAND
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE4.7665 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER3.2500 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER3.725 INCHES
FACE NOMINAL WIDTH2.750 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.015 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER1.375 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.625 INCHES BOTH ENDS
FEATURES PROVIDEDINTEGRAL KEY
SPECIAL FEATURESTWO KEYWAYS IN BORE
THE MANUFACTURERS DATA
MANUFACTURERS CODE10001
DESIGN CONTROL REFERENCE317658PC3


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