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National Stock Number:
3020-01-117-0334
Federal Supply Class:
3020
National Item Identification Number:
011170334
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:
| 3274302 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 3274302 | 36549 | JOLY ENGINEERING LTD |
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Techincal Specification:
| FACE NOMINAL WIDTH | 0.380 INCHES | | HELIX ANGLE | 15.0000 DEGREES | | NOMINAL OUTSIDE DIAMETER | 6.300 INCHES | | PITCH DIAMETER | 6.2000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 OR QUALITY NUMBER 13 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 124 | | TEETH TYPE | SINGLE HELIX | | TOOTH FORM | STANDARD | | TOOTH DIRECTION | LEFT |
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