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National Stock Number:
3020-00-971-2057
Federal Supply Class:
3020
National Item Identification Number:
009712057
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:
| 102646 | 24930 | L3HARRIS TECHNOLOGIES, INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.126 INCHES | | HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-355,COND T3 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL | ALUMINUM BODY | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.139 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 4.5417 INCHES | | PITCH DIAMETER | 4.5000 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY | | SURFACE TREATMENT | ANODIZE BODY | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 216 | | TOOTH FORM | STANDARD |
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