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		                             National Stock Number: 4820-00-618-8653
  Federal Supply Class: 4820
  National Item Identification Number: 006188653
  Description: VALVE,SAFETY RELIEF
  Detail: A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE. 
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  Manufacturer Information:
 | A40151A1500 | 81982 | HYDRO-AIRE AEROSPACE CORP |  | A40151B | 81982 | HYDRO-AIRE AEROSPACE CORP |  | A40151B1500 | 81982 | HYDRO-AIRE AEROSPACE CORP |   
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  Techincal Specification:
 | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | ALUMINUM ALLOY BODY |   | STEEL CORROSION RESISTING SEAT |  | SURFACE TREATMENT | ANODIZE |  | FLOW CONTROL DEVICE | POPPET |  | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE DISCHARGE FLOW RATE | 8.0 GALLONS PER MINUTE |  | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |  | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 16 1ST END |  | THREAD CLASS | 3B 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | RENEWABLE SEAT RING TYPE | THREADED |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | THREADED |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 1500.0 POUNDS PER SQUARE INCH |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 81982 |  | DESIGN CONTROL REFERENCE | A40151B1500 |   
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