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National Stock Number:
3020-01-438-6726
Federal Supply Class:
3020
National Item Identification Number:
014386726
Description:
GEAR,ANTIBACKLASH,WORM WHEEL
Detail:
AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF WORM WHEEL 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:
| 316D-012 | 59014 | POWERTRONIC SYSTEMS INC | | 316D-012 ITEM 4 | 59014 | POWERTRONIC SYSTEMS INC | | 316D-314 | 59014 | POWERTRONIC SYSTEMS INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.187 INCHES | | FACE TYPE | CONCAVE | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | III MATERIAL | BRONZE SECOND GEAR | | III MATERIAL | BRONZE FIRST GEAR | | III MATERIAL | STEEL COMP 304 HUB | | III MATERIAL | STEEL CORROSION RESISTING SPRING | | PITCH DIAMETER | 0.8333 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.276 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.875 INCHES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 40 | | TOOTH DIRECTION | RIGHT |
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