3020-00-640-4470 GEAR,SPUR Index 3020-00-640-4472 GEAR,SPUR

National Stock Number:
3020-00-640-4471

Federal Supply Class:
3020

National Item Identification Number:
006404471

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:
28609011371BMT AEROSPACE USA, INC.
28609077445RTX CORPORATION


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, OFFSET, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER2.350 INCHES AXIALLY THROUGH HUB, FIRST END
BORE NOMINAL DIAMETER2.121 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.300 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM TEETH
HUB NOMINAL DIAMETER2.350 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E9310 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.155 INCHES AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.090 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.792 INCHES
PITCH DIAMETER3.5750 INCHES NOMINAL
PRESSURE ANGLE22.5000 DEGREES
SPECIAL FEATURESMTG HOLES 180 DEGS APART
SPLINE PITCH DIAMETER2.0000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY32 BOTH ENDS
STYLE DESIGNATORFLUSH HUB
TEETH QUANTITY33
TOOTH FORMSPECIAL


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