3020-00-640-2696 GEAR,SPUR Index 3030-00-640-2700 BELT,POSITIVE DRIVE

National Stock Number:
3020-00-640-2697

Federal Supply Class:
3020

National Item Identification Number:
006402697

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:
276290AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, OFFSET, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER2.310 INCHES AXIALLY THROUGH HUB, FIRST END
BORE NOMINAL DIAMETER1.813 INCHES BOTH ENDS
BORE STYLEW/COUNTERBORE BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.125 INCHES FIRST END
COUNTERBORE NOMINAL DIAMETER2.750 INCHES FIRST END
FACE NOMINAL WIDTH0.313 INCHES
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
HUB NOMINAL DIAMETER2.875 INCHES FIRST END
HUB NOMINAL DIAMETER2.875 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E9310 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.257 INCHES AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY6 PLAIN AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.468 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.531 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.960 INCHES
NOMINAL OVERALL LENGTH0.781 INCHES
PITCH DIAMETER4.8000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORCONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB
TEETH QUANTITY48
TOOTH FORMSTANDARD


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