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National Stock Number:
3020-00-433-6899
Federal Supply Class:
3020
National Item Identification Number:
004336899
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:
| 211053478 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 561-6404326 FIND | 53711 | NAVAL SEA SYSTEMS COMMAND | | AP48C60 | 29440 | W. M. BERG INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | TEETH QUANTITY | 60 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 1.2500 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.2910 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.288 INCHES FIRST END | | 0.046 INCHES SECOND END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | 0.688 INCHES SECOND END |
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