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National Stock Number:
3020-00-911-0258
Federal Supply Class:
3020
National Item Identification Number:
009110258
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:
| 2579527-1 | 07187 | HONEYWELL INTERNATIONAL INC. | | 2579527-1 | 56232 | LOCKHEED MARTIN CORPORATION | | AB650121CT0900PZCM0D | 01351 | SOUTHERN GEAR & MACHINE INC | | ACS090-121 | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | END NOMINAL DIAMETER | 0.187 INCHES FIRST END | | END NOMINAL LENGTH | 0.063 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.125 INCHES | | FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END | | FIRST STEP NOMINAL LENGTH | 0.250 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE TEETH | | HUB STYLE DESIGNATOR | 1 STEP 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 | 1.025 INCHES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE TEETH | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 121 | | TOOTH FORM | STANDARD |
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