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National Stock Number:
3020-01-070-0345
Federal Supply Class:
3020
National Item Identification Number:
010700345
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:
| 901055 | 82577 | RAYTHEON COMPANY | | 901055-3C | 82577 | RAYTHEON COMPANY | | AGA0730 | 01351 | SOUTHERN GEAR & MACHINE INC | | 9713-193 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV | | 97310031-3 | 53712 | WESTFIELD PRECISION PRODUCTS INC WEST COAST GEAR PRODUCTS DIV |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | TEETH QUANTITY | 60 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 0.6250 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 0.6410 INCHES | | FACE NOMINAL WIDTH | 0.100 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.297 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.188 INCHES FIRST END | | CLAMPING SURFACE NOMINAL LENGTH | 0.172 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP |
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