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National Stock Number:
3020-00-869-8431
Federal Supply Class:
3020
National Item Identification Number:
008698431
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:
| 510-1-104 | 07421 | L3HARRIS INTERSTATE ELECTRONICS CORPORATION |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | FACE NOMINAL WIDTH | 0.250 INCHES | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.188 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE TEETH | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | ALUMINUM ALLOY 2024 TEETH | | PITCH DIAMETER | 1.3540 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.188 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.371 INCHES | | PRESSURE ANGLE | 14.5000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | PASSIVATE HUB | | SURFACE TREATMENT | ANODIZE BODY | | SURFACE TREATMENT | ANODIZE TEETH | | TEETH QUANTITY | 130 |
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