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		                             National Stock Number: 4820-00-630-0059
  Federal Supply Class: 4820
  National Item Identification Number: 006300059
  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:
 | 4775F | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |  | 5021F | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |   
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  Techincal Specification:
 | MATERIAL | COBALT ALLOY BODY LINING |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | BUTT WELD PIPE 1ST END |  | CONNECTION STYLE | BEVELED (PIPE) 1ST END |  | NOMINAL PIPE SIZE ACCOMMODATED | 16.000 INCHES 1ST END |  | MOUNTING POSITION | HORIZONTAL |  | RENEWABLE SEAT RING TYPE | PRESSED-IN |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 04537 |  | DESIGN CONTROL REFERENCE | 5021F |   
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