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		                             National Stock Number: 4820-01-064-6979
  Federal Supply Class: 4820
  National Item Identification Number: 010646979
  Description: VALVE,CHECK
  Detail: A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design. 
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  Manufacturer Information:
 | 12C192-2 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |  | 2S6152 | 99240 | CRISSAIR INC |  | 68B580174-102 | 76301 | THE BOEING COMPANY |  | 9506-1-2 | 81833 | AEROCONTROLEX GROUP, INC. |  | 9506-2-1 | 81833 | AEROCONTROLEX GROUP, INC. |   
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  Techincal Specification:
 | MATERIAL | ALUMINUM ALLOY 2024 BODY |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 II MIL SPEC 1ST TREATMENT RESPONSE |  | SUPPLEMENTARY FEATURES | APPLICABLE TO F-15 AIRCRAFT; GRAVITY FUEL,TE TANK |   
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