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National Stock Number:
3020-00-903-5956
Federal Supply Class:
3020
National Item Identification Number:
009035956
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:
| MP75-2500A112 | 1PQF4 | CAE USA INC. | | MP75-2500A112 | 36378 | RAYTHEON TECHNICAL SERVICES COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 112 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | BACKLASH DESIGNATION | GRADE C | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 1.7500 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.781 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.287 INCHES FIRST END | | 0.046 INCHES SECOND END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PINNED FIRST END | | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.437 INCHES FIRST END | | 0.688 INCHES SECOND END | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 1PQF4 | | DESIGN CONTROL REFERENCE | MP75-2500A112 |
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