3110-00-012-3996 BEARING,BALL,AIRFRAME Index 3020-00-012-3999 GEAR,SPUR

National Stock Number:
3020-00-012-3998

Federal Supply Class:
3020

National Item Identification Number:
000123998

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:
1225949-1410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
59-820-1456232LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER0.188 INCHES AXIALLY THROUGH HUB, FIRST END
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
END NOMINAL LENGTH0.110 INCHES FIRST END
END NOMINAL DIAMETER0.250 INCHES FIRST END
FACE NOMINAL WIDTH0.095 INCHES
FIRST STEP NOMINAL DIAMETER0.560 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.190 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.300 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.728 INCHES
NOMINAL OVERALL LENGTH0.398 INCHES
PITCH DIAMETER1.6865 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY81
TOOTH FORMSTANDARD


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