3020-01-004-3194 GEAR,SPUR Index 3020-01-004-3196 GEAR,WORM WHEEL

National Stock Number:
3020-01-004-3195

Federal Supply Class:
3020

National Item Identification Number:
010043195

Description:
GEAR,WORM WHEEL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.


Manufacturer Information:
0460C0069-103538LOCKHEED MARTIN CORPORATION
0460C0069-154497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS


Techincal Specification:
MATERIALCOPPER ALLOY 464 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY40
TOOTH DIRECTIONRIGHT
FACE TYPECONCAVE
MATING THREAD LEAD QUANTITY4
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE7.1833 DEGREES
STYLE DESIGNATORPROTRUDING HUB, RECESSED BODY
PITCH DIAMETER0.6240 INCHES MINIMUM AND
0.6250 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER0.656 INCHES
FACE NOMINAL WIDTH0.180 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.278 INCHES FIRST END
BODY RECESS NOMINAL DEPTH0.060 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.375 INCHES FIRST END
BODY STYLEWEBBED, OFFSET, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.125 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER0.375 INCHES AXIALLY THROUGH BODY, FIRST END
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT


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