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National Stock Number:
3020-01-595-5427
Federal Supply Class:
3020
National Item Identification Number:
015955427
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:
| 0216073 REV A FIND 12 | 55910 | NIWC PACIFIC SAN DIEGO NAVY ERP | | P17-4-80-C | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| ATTACHMENT METHOD | SETSCREWS | | FACE NOMINAL WIDTH | 0.187 INCHES | | FACE TYPE | STRAIGHT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANTI-BACKLASH GEAR-32 PITCH | | MATERIAL | STEEL CORROSION RESISTING AND ALUMINUM ALLOY 2024 OVERALL | | MATING PITCH DIAMETER | 2.500 INCHES NOMINAL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.240 INCHES BETWEEN BODY AND FLANGE | | NOMINAL OUTSIDE DIAMETER | 2.562 INCHES | | PITCH DIAMETER | 2.5000 INCHES NOMINAL | | PRESSURE ANGLE | 0.0000 DEGREES | | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 80 |
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