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		                        | National Stock Number:
 4820-00-223-8957
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 002238957
 
 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:
 
 | 332-2712-010 | 13499 | ROCKWELL COLLINS, INC. |  | 332-2712-010 | 95105 | ROCKWELL COLLINS, INC. |  | 5377T8BBL4500 | 91816 | CIRCOR AEROSPACE, INC. | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL COMP 303 BODY |  |  | PLASTIC POLYAMIDE FLOW CONTROL DEVICE |  |  | STEEL COMP 303 SEAT |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 10500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |  | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |  | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNJF 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 |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | INTEGRAL |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH | 
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