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National Stock Number: 3020-00-910-3296
Federal Supply Class: 3020
National Item Identification Number: 009103296
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:
2579527-2 | 07187 | HONEYWELL INTERNATIONAL INC. | 2579527-2 | 56232 | LOCKHEED MARTIN CORPORATION | AB650-121CT1200PZCM0D | 01351 | SOUTHERN GEAR & MACHINE INC | ACS120-121 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV |
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Techincal Specification:
STYLE DESIGNATOR | PROTRUDING HUB | SURFACE TREATMENT | ANODIZE TEETH | SURFACE TREATMENT | PASSIVATE HUB | TEETH QUANTITY | 121 | ATTACHMENT METHOD | CLAMP | BORE STYLE | PLAIN BOTH ENDS | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | FACE NOMINAL WIDTH | 0.125 INCHES | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,ALLOY 2024,T3 FED SPEC SINGLE MATERIAL RESPONSE TEETH | HUB NOMINAL DIAMETER | 0.188 INCHES FIRST END | HUB STYLE DESIGNATOR | SPLIT FIRST END | III MATERIAL | ALUMINUM ALLOY 2024 TEETH | III MATERIAL | STEEL COMP 303 HUB | PITCH DIAMETER | 1.0080 INCHES NOMINAL | PRESSURE ANGLE | 20.0000 DEGREES | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END | NOMINAL OUTSIDE DIAMETER | 1.0250 INCHES | NOMINAL OVERALL LENGTH | 0.438 INCHES |
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