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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 | | P00059 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | SPECIAL P17-4-120 | 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 |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ0B0626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | TEETH QUANTITY | 120 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR | | QUALITY NUMBER 11 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 3.7500 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 3.811 INCHES | | FACE NOMINAL WIDTH | 0.125 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.302 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.787 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 1.125 INCHES FIRST END | | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | CRITICALITY CODE JUSTIFICATION | FEAT |
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