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National Stock Number:
3020-01-010-1658
Federal Supply Class:
3020
National Item Identification Number:
010101658
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:
| 901019-1C | 82577 | RAYTHEON COMPANY | | 9713-1006 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV | | MZ3E-60-A-P2 | 00328 | DESIGNATRONICS INCORPORATED | | AC64ZTS-60P2 | 29440 | W. M. BERG INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STEEL COMP 303 HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB | | SURFACE TREATMENT | ANODIZE BODY | | PASSIVATE HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY | | TEETH QUANTITY | 60 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 0.9375 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 0.968 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.221 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | END NOMINAL LENGTH | 0.185 INCHES FIRST END | | END NOMINAL DIAMETER | 0.187 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.036 INCHES FIRST END | | FIRST STEP NOMINAL DIAMETER | 0.437 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP |
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