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National Stock Number:
3020-00-038-7143
Federal Supply Class:
3020
National Item Identification Number:
000387143
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:
| 1717273-1 | 01351 | SOUTHERN GEAR & MACHINE INC | | 1717273-1 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES | | 1717273-1 | 55939 | HONEYWELL INTL DBA HONEYWELL DIV BUSINESS AND GENERAL AVIATION |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.156 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.062 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC 1ST 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 HUB | | PITCH DIAMETER | 1.3011 INCHES MINIMUM AND 1.3021 INCHES MAXIMUM | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.323 INCHES | | SPECIAL FEATURES | ONE UNTHD HOLE 0.062 IN. DIA THROUGH GEAR FACE ON 1.000 IN. DIA BOLT CIRCLE | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 125 | | TOOTH FORM | STANDARD |
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