3020-01-128-4680 GEAR CLUSTER Index 6105-01-128-4682 MOTOR,ALTERNATING CURRENT

National Stock Number:
3020-01-128-4681

Federal Supply Class:
3020

National Item Identification Number:
011284681

Description:
GEAR,ANTIBACKLASH,HELICAL

Detail:
AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF HELICAL GEAR TEETH, MOUNTED ON A COMMON HUB. THE FREE GEAR IS ATTACHED TO THE FIXED GEAR BY SPRINGS AND OPERATES AS ONE GEAR. UPON INSTALLATION WITH THE MATING GEAR, THE TEETH OF THE FREE MOVING GEAR ARE PRESET TO MESH WITH TEETH OTHER THAN THOSE OF THE FIXED GEAR. THIS SPRING TENSION BETWEEN THE FIXED GEAR AND THE FREE GEAR ELIMINATES ANY FREE MOTION BETWEEN THE DRIVER AND THE DRIVEN GEAR. THE GEAR IS USED WHERE IDENTICAL AND ACCURATE TRANSMITTED MOTION BETWEEN GEARS IS REQUIRED.


Manufacturer Information:
4273525734BOSCH SECURITY SYSTEMS, LLC
42735P225734BOSCH SECURITY SYSTEMS, LLC


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BOLT HOLE CIRCLE NOMINAL DIAMETER0.290 INCHES AXIALLY THROUGH HUB, FIRST END
BORE NOMINAL DIAMETER0.220 INCHES BOTH ENDS
BORE STYLEW/COUNTERBORE BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.015 INCHES BOTH ENDS
COUNTERBORE NOMINAL DIAMETER0.220 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.405 INCHES
HELIX ANGLE9.0000 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.365 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.045 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 END0.015 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER0.523 INCHES
PITCH DIAMETER0.4746 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 6 OR QUALITY NUMBER 7
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH TYPESINGLE HELIX
TEETH QUANTITY15
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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