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National Stock Number:
3020-00-765-4914
Federal Supply Class:
3020
National Item Identification Number:
007654914
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:
| MGA396 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | TEETH QUANTITY | 150 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 11 | | BACKLASH DESIGNATION | GRADE E | | STYLE DESIGNATOR | PERIPHERAL FACE, HUBLESS | | PITCH DIAMETER | 1.5615 INCHES MINIMUM AND | | 1.5625 INCHES MAXIMUM | | NOMINAL OVERALL LENGTH | 0.240 INCHES | | FACE NOMINAL WIDTH | 0.069 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.156 INCHES FIRST END | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | ATTACHMENT METHOD | MOUNTING HOLE | | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | SPECIAL FEATURES | MTG HOLES SPACED 90 DEG APART | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99251 | | DESIGN CONTROL REFERENCE | MGA396 |
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