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National Stock Number:
3020-01-260-2121
Federal Supply Class:
3020
National Item Identification Number:
012602121
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:
| 990-0909 | 13499 | ROCKWELL COLLINS, INC. | | 990-0909-070 | 13499 | ROCKWELL COLLINS, INC. | | AP48K-110 | 29440 | W. M. BERG INC | | P7-1-110 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| ATTACHMENT METHOD | SETSCREWS | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.249 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 2.333 INCHES | | PITCH DIAMETER | 2.2917 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 110 | | TOOTH FORM | STANDARD |
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