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National Stock Number:
3020-00-760-4734
Federal Supply Class:
3020
National Item Identification Number:
007604734
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:
| 7604734 | 19200 | US ARMY ARDEC RDECOM | | BL90261 | 01714 | LUCENT TECHNOLOGIES INC ADVANCED TECHNOLOGY SYSTEMS | | BL90261 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO | | BL90261 | 70408 | AT AND T CORP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR | | STEEL CORROSION RESISTING HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-355,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR | | QQ-S-763,CLASS 6,TYPE C FED SPEC SINGLE MATERIAL RESPONSE HUB | | TEETH QUANTITY | 150 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 14.5000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 8 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 3.1250 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 3.166 INCHES | | FACE NOMINAL WIDTH | 0.091 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.276 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.313 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | END NOMINAL LENGTH | 0.094 INCHES FIRST END | | END NOMINAL DIAMETER | 0.499 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.120 INCHES FIRST END | | FIRST STEP NOMINAL DIAMETER | 0.625 INCHES FIRST END | | FURNISHED ITEMS AND QUANTITY | 2 SPRING AND | | 2 STUD |
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