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National Stock Number:
3020-01-244-7776
Federal Supply Class:
3020
National Item Identification Number:
012447776
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:
| 211079122 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 717801720 | 04939 | LOCKHEED MARTIN CORPORATION | | P60-1-30 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | P60-1-30-1000 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 717801720-002 | 04939 | LOCKHEED MARTIN CORPORATION | | AP48HS-30 | 29440 | W. M. BERG INC |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.125 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB NOMINAL DIAMETER | 0.370 INCHES FIRST END | | PITCH DIAMETER | 0.6250 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.375 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.667 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 30 | | TOOTH FORM | STANDARD |
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