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		                        | National Stock Number:
 4820-00-968-5981
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009685981
 
 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:
 
 | C56-31 | 86184 | GRISWOLD INDUSTRIES | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY BODY |  |  | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |  | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS |  | THREAD SERIES DESIGNATOR | NPT ALL ENDS |  | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | MOUNTING POSITION | HORIZONTAL |  | DISK LOADING METHOD | SPRING |  | SPECIAL FEATURES | BOTTOM PORT INCL PLUG |  | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: NEEDLE | 
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