3020-01-120-3419 GEAR,SPUR Index 6625-01-120-3421 METER,NULL

National Stock Number:
3020-01-120-3420

Federal Supply Class:
3020

National Item Identification Number:
011203420

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:
1173291519200US ARMY ARDEC RDECOM
SP-36715531MACHINE COMPONENTS CORP.


Techincal Specification:
MATERIALSTEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND H,CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO.5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY72
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER2.2500 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER2.312 INCHES
FACE NOMINAL WIDTH0.188 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.015 INCHES FIRST END
0.047 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.312 INCHES BOTH ENDS
HUB STYLE DESIGNATOR1 STEP FIRST END
PLAIN SECOND END
HUB NOMINAL DIAMETER0.375 INCHES SECOND END
END NOMINAL LENGTH0.203 INCHES FIRST END
END NOMINAL DIAMETER0.562 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.812 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER2.195 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN AND
1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END


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