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National Stock Number:
3020-01-305-5880
Federal Supply Class:
3020
National Item Identification Number:
013055880
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:
| 1735AS405 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 1735AS405-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | P4-2-84 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | P4-2-84 | 01141 | GENERAL METALS POWDER CO |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW | | FACE NOMINAL WIDTH | 0.190 INCHES | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB STYLE DESIGNATOR | THREADED SECOND END | | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | STEEL COMP 303 HUB | | MATERIAL | STEEL SPRING | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.179 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.240 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 3.583 INCHES | | PITCH DIAMETER | 3.5000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 84 | | TOOTH FORM | STANDARD |
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