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National Stock Number:
3020-01-032-0323
Federal Supply Class:
3020
National Item Identification Number:
010320323
Description:
GEAR,ANTIBACKLASH,SPUR
Detail:
An item having one fixed gear and one free gear, both having the same complement of spur 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:
| 0461C0024 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS | | 0461C0024-1 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 0461C0024-1 | 1BCK1 | W R SYSTEMS LTD | | 0461C0024-1 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS | | P00059 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | SPECIAL P17-4-120 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.787 INCHES BOTH ENDS | | CRITICALITY CODE JUSTIFICATION | FEAT | | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW | | FACE NOMINAL WIDTH | 0.125 INCHES | | HUB NOMINAL DIAMETER | 1.125 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ0B0626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.302 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 3.811 INCHES | | PITCH DIAMETER | 3.7500 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 120 | | TOOTH FORM | STANDARD |
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