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National Stock Number:
3020-00-010-7581
Federal Supply Class:
3020
National Item Identification Number:
000107581
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:
| 1801276 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 1801276 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | TEETH QUANTITY | 60 | | TOOTH DIRECTION | RIGHT | | FACE TYPE | CONCAVE | | THROAT NOMINAL RADIUS | 0.187 INCHES | | MATING THREAD LEAD QUANTITY | 4 | | PRESSURE ANGLE | 14.5000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 0.9360 INCHES MINIMUM AND | | 0.9370 INCHES MAXIMUM | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | ATTACHMENT METHOD | CLAMP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 03956 | | DESIGN CONTROL REFERENCE | 1801276 |
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