3020-01-003-9159 GEAR,SPUR Index 3020-01-003-9161 GEAR,WORM WHEEL

National Stock Number:
3020-01-003-9160

Federal Supply Class:
3020

National Item Identification Number:
010039160

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:
0461C007254497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
0461C0072-154497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
Q3-10-C00141ROLLER BEARING CO OF AMERICA, INC
S11862-W04-23SP00328DESIGNATRONICS INCORPORATED
W4-23-S00328DESIGNATRONICS INCORPORATED


Techincal Specification:
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-994,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY80
TOOTH DIRECTIONRIGHT
FACE TYPECONCAVE
MATING THREAD LEAD QUANTITY2
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE3.5832 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.2500 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.281 INCHES
FACE NOMINAL WIDTH0.180 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.280 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATOR1 STEP FIRST END
END NOMINAL LENGTH0.250 INCHES FIRST END
END NOMINAL DIAMETER0.310 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.300 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER0.380 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODCLAMP
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT


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