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		                             National Stock Number: 4820-00-897-7118
  Federal Supply Class: 4820
  National Item Identification Number: 008977118
  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:
 | 14641M0NEL | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV |  | 14700 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV |   
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  Techincal Specification:
 | MATERIAL | NICKEL ALLOY BODY |   | COBALT ALLOY BODY LINING |  | STYLE DESIGNATOR | ANGLE |  | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | BUTT WELD PIPE 1ST END |  | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES 1ST END |  | MOUNTING POSITION | HORIZONTAL |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 85578 |  | DESIGN CONTROL REFERENCE | 14700 |   
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