3020-00-517-3221 GEAR,HELICAL Index 3020-00-517-3223 GEAR,HELICAL

National Stock Number:
3020-00-517-3222

Federal Supply Class:
3020

National Item Identification Number:
005173222

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
206-40092755NORTHROP GRUMMAN SYSTEMS CORP
5128001843AMBAC INTERNATIONAL CORPORATION
979-1B44400607GAP INSTRUMENT CORP
979-1B44407CR8ADVANCED LOGIC RESOURCES INC
B206-40084075MCKIERNAN-TERRY MARINE DIV OF LITTON SYSTEMS INC
B2134392208LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV
R1124377885SEEBURG CORP THE SEEBURG PRODUCTS DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER2.1869 INCHES BOTH ENDS
END NOMINAL DIAMETER0.3750 INCHES FIRST END
END NOMINAL LENGTH0.0310 INCHES FIRST END
FACE NOMINAL WIDTH0.188 INCHES
FIRST STEP NOMINAL DIAMETER0.5000 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.2500 INCHES FIRST END
HELIX ANGLE3.5498 DEGREES
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONNAVAL,MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE0.1120 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH40 TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.281 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.6460 INCHES
PITCH DIAMETER2.6040 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY123
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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