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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.
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Manufacturer Information:
| 42735 | 25734 | BOSCH SECURITY SYSTEMS, LLC | | 42735P2 | 25734 | BOSCH SECURITY SYSTEMS, LLC |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | FACE NOMINAL WIDTH | 0.405 INCHES | | HELIX ANGLE | 9.0000 DEGREES | | NOMINAL OUTSIDE DIAMETER | 0.523 INCHES | | PITCH DIAMETER | 0.4746 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 6 OR QUALITY NUMBER 7 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 15 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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