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		                             National Stock Number: 4820-00-998-0051
  Federal Supply Class: 4820
  National Item Identification Number: 009980051
  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:
 | 225A5X75 | 75336 | F.C.KINGSTON CO. DBA STORM MANUFACTURING |  | 723816-123 | 05869 | RAYTHEON COMPANY |   
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  Techincal Specification:
 | MATERIAL | COPPER ALLOY OVERALL |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | POPPET |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |   | THREADED EXTERNAL PIPE 2ND END |  | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) 1ST END |   | PLAIN (PIPE) 2ND END |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |   | 0.125 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |   | NPT 2ND END |  | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |   | 0.125 INCHES 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |   | RIGHT-HAND 2ND END |  | MOUNTING POSITION | HORIZONTAL |  | DISK LOADING METHOD | SPRING |   
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