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National Stock Number:
3020-00-222-0895
Federal Supply Class:
3020
National Item Identification Number:
002220895
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:
| 105426 | 10138 | ASTRONAUTICS CORPORATION OF AMERICA |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.121 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.093 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.250 INCHES SECOND END | | HUB NOMINAL DIAMETER | 0.340 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE AND QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL COMP 303 BODY | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.065 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.156 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.0200 INCHES | | PITCH DIAMETER | 1.0000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 96 | | TOOTH FORM | STANDARD |
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