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		                        | National Stock Number:
 4820-00-770-3712
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007703712
 
 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:
 
 | 1112-589450 | 18925 | PARKER-HANNIFIN CORPORATION |  | 1112-589450 | 3H889 | PARKER-HANNIFIN CORPORATION |  | 1112-589450 | 45681 | PARKER-HANNIFIN CORPORATION |  | 1112-589450 | 59211 | PARKER-HANNIFIN CORPORATION |  | 1112-589450 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | 
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 Techincal Specification:
 
 | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | STYLE DESIGNATOR | CROSS |  | FLOW CONTROL DEVICE | POPPET |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |  | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |  | SEAT ANGLE | 37.0 DEGREES ALL ENDS |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |  | THREAD CLASS | 2A ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | MOUNTING POSITION | HORIZONTAL OR |  |  | VERTICAL | 
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