3020-01-208-9408 GEAR,HELICAL Index 3020-01-208-9410 GEAR SECTOR,SPUR

National Stock Number:
3020-01-208-9409

Federal Supply Class:
3020

National Item Identification Number:
012089409

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:
418L12501289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
418L125 ITEM 8101289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
741C29201289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
741C292-224446GENERAL ELECTRIC COMPANY
741C292P-201289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT


Techincal Specification:
BODY RECESS NOMINAL DEPTH0.437 INCHES SECOND END
BODY RECESS NOMINAL DEPTH0.687 INCHES FIRST END
BODY STYLEWEBBED, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER12.500 INCHES BOTH ENDS
FACE NOMINAL WIDTH3.125 INCHES
FACE TYPECONCAVE
HELIX ANGLE15.1025 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16522 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
III MATERIALBRONZE OVERALL
PITCH DIAMETER20.6900 INCHES NOMINAL
PRESSURE ANGLE24.2372 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL OUTSIDE DIAMETER21.745 INCHES
STYLE DESIGNATORHUBLESS, RECESSED BODY
TEETH QUANTITY50
THROAT NOMINAL RADIUS1.970 INCHES
TOOTH DIRECTIONRIGHT


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