3020-00-904-7378 GEAR,SPUR Index 3020-00-904-7380 GEAR,SPUR

National Stock Number:
3020-00-904-7379

Federal Supply Class:
3020

National Item Identification Number:
009047379

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:
72001-32627965PARISI ASSOCIATES LLC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER3.500 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER2.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER2.999 INCHES FIRST END
END NOMINAL LENGTH0.234 INCHES FIRST END
FACE NOMINAL WIDTH0.250 INCHES
FIRST STEP NOMINAL DIAMETER3.125 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.187 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.422 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.061 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE0.190 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNF AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY3 THREADED AXIALLY THROUGH BODY, FIRST END
PITCH DIAMETER4.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESEIGHT THD HOLES,NO.8/0.164 IN.-32 THD SIZE EQUALLY SPACED TAPPED 0.375 IN.DEEP ON HUB END ON A 2.625 IN.DIA BOLT CIRCLE
TOOTH FORMSTANDARD
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY128


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