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National Stock Number:
3020-00-906-8181
Federal Supply Class:
3020
National Item Identification Number:
009068181
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:
| AC64P90 | 29440 | W. M. BERG INC | | ACG6782-90 | 84233 | ATLAS CHAIN CO |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.288 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.104 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE TEETH | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB | | HUB NOMINAL DIAMETER | 0.688 INCHES SECOND END | | HUB NOMINAL DIAMETER | 0.250 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | III MATERIAL | ALUMINUM ALLOY 2024 TEETH | | III MATERIAL | STEEL HUB | | PITCH DIAMETER | 1.4057 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.046 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.334 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.436 INCHES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 90 | | TOOTH FORM | STANDARD |
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