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National Stock Number:
3020-00-495-0165
Federal Supply Class:
3020
National Item Identification Number:
004950165
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:
| AB250-96-250 | 01351 | SOUTHERN GEAR & MACHINE INC | | AB250-960-250 | 01351 | SOUTHERN GEAR & MACHINE INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.2503 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.125 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB | | HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | III MATERIAL | ALUMINUM ALLOY 2024 BODY | | III MATERIAL | STEEL COMP 303 HUB | | PITCH DIAMETER | 14.9990 INCHES MINIMUM AND 15.0000 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 15.030 INCHES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE BODY | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 960 | | TOOTH FORM | STANDARD |
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