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National Stock Number:
3020-00-884-6235
Federal Supply Class:
3020
National Item Identification Number:
008846235
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:
| 30138-74 | 07421 | L3HARRIS INTERSTATE ELECTRONICS CORPORATION | | 30138-74 | 81413 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 11-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | TEETH QUANTITY | 74 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 0.6160 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 0.633 INCHES | | FACE NOMINAL WIDTH | 0.057 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.152 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 07421 | | DESIGN CONTROL REFERENCE | 30138-74 |
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