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		                             National Stock Number: 4820-00-699-9538
  Federal Supply Class: 4820
  National Item Identification Number: 006999538
  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:
 | 1112-558867 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |  | 8528682 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |   
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  Techincal Specification:
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | CONE |  | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |   | THREADED INTERNAL BOSS 2ND END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |   | GASKET SEAL (BOSS) 2ND END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |   | 0.625 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |   | UNJF 2ND END |  | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |   | 0.875 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 14 2ND END |  | THREAD CLASS | 3A 1ST END |   | 3B 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |   | RIGHT-HAND 2ND END |  | MOUNTING POSITION | HORIZONTAL |  | DISK LOADING METHOD | SPRING |   
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