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		                             National Stock Number: 4820-00-202-5851
  Federal Supply Class: 4820
  National Item Identification Number: 002025851
  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:
 | 10-1310-1 | 81205 | THE BOEING COMPANY |  | 10-1310-2 | 81205 | THE BOEING COMPANY |  | 1116-516526 | 45681 | PARKER-HANNIFIN CORPORATION |  | 1116-516529 | 45681 | PARKER-HANNIFIN CORPORATION |  | 6C500 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |  | 1116-516529 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |   
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  Techincal Specification:
 | MATERIAL | ALUMINUM ALLOY BODY |   | ALUMINUM ALLOY SEAT |  | SURFACE TREATMENT | ANODIZE |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | CONE |  | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 18 1ST END |  | THREAD CLASS | 3A 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | MOUNTING POSITION | HORIZONTAL |  | DISK LOADING METHOD | SPRING |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 92003 |  | DESIGN CONTROL REFERENCE | 1116-516529 |   
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