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National Stock Number:
3020-00-504-8247
Federal Supply Class:
3020
National Item Identification Number:
005048247
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:
| 2273634-0001 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
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Techincal Specification:
| MATERIAL | COPPER ALLOY FIRST GEAR | | STEEL CORROSION RESISTING HUB | | COPPER ALLOY SECOND GEAR | | STEEL SPRING | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 90 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 1.1250 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 1.150 INCHES | | FACE NOMINAL WIDTH | 0.062 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.203 INCHES FIRST END | | 0.016 INCHES SECOND END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | PLAIN SECOND END | | HUB NOMINAL DIAMETER | 0.188 INCHES FIRST END | | 0.250 INCHES SECOND END | | CLAMPING SURFACE NOMINAL LENGTH | 0.156 INCHES FIRST END | | ATTACHMENT METHOD | SLIP ON COLLAR | | FURNISHED ITEMS AND QUANTITY | 2 SETSCREW AND | | 1 COLLAR |
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