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National Stock Number:
3020-01-177-4846
Federal Supply Class:
3020
National Item Identification Number:
011774846
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:
| 13084056 | 04939 | LOCKHEED MARTIN CORPORATION | | 13084056 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH | | 9719-10 | 00328 | DESIGNATRONICS INCORPORATED | | S9719AR0010 | 00328 | DESIGNATRONICS INCORPORATED | | MM 15045 | 06983 | ZAGORA GEAR PRODUCTS INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY FIRST GEAR | | STEEL CORROSION RESISTING HUB | | ALUMINUM ALLOY SECOND GEAR | | STEEL SPRING | | SURFACE TREATMENT | ANODIZE FIRST GEAR | | PASSIVATE HUB | | ANODIZE SECOND GEAR | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE FIRST GEAR | | QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE HUB | | MIL-A-8625 MIL SPEC 3RD TREATMENT RESPONSE SECOND GEAR | | TEETH QUANTITY | 140 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.6667 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.1833 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.356 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.460 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 0.625 INCHES FIRST END |
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