2825-00-678-7388 SEAL ASSEMBLY,PLAIN Index 3020-00-678-7390 GEAR,SPUR

National Stock Number:
3020-00-678-7389

Federal Supply Class:
3020

National Item Identification Number:
006787389

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
906J053-579500WESTINGHOUSE ELECTRIC CORP
906J053-588657WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
906J053-590099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY RECESS NOMINAL DEPTH1.813 INCHES FIRST END
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.624 INCHES BOTH ENDS
END NOMINAL DIAMETER2.000 INCHES FIRST END
END NOMINAL LENGTH1.000 INCHES FIRST END
FACE NOMINAL WIDTH0.750 INCHES
FIRST STEP NOMINAL LENGTH0.813 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER2.500 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GRADE 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 910 OVERALL
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.250 INCHES TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END2.438 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER5.250 INCHES
PITCH DIAMETER5.0000 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SPECIAL FEATURESSLEEVE ON HUB END SECURED W/ TWO SETSCREWS; 3 IN. DIA FLANGE ON 1ST STEP HUB
STYLE DESIGNATORCONE SHAPE BODY, PROTRUDING HUB
TEETH QUANTITY40
TOOTH FORMSTANDARD


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