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National Stock Number:
3020-01-196-1422
Federal Supply Class:
3020
National Item Identification Number:
011961422
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:
| 805171 | 96214 | RAYTHEON COMPANY | | 805171-1060 | 96214 | RAYTHEON COMPANY | | P21-4-60-Q12 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.105 INCHES | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB NOMINAL DIAMETER | 0.310 INCHES FIRST END | | MATERIAL | STEEL FIRST GEAR | | MATERIAL | STEEL HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.280 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.292 INCHES | | PITCH DIAMETER | 1.2499 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FIRST GEAR | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HUB | | SURFACE TREATMENT | PASSIVATE FIRST GEAR | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 60 | | TOOTH FORM | STANDARD |
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