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		                             National Stock Number: 4820-00-489-0294
  Federal Supply Class: 4820
  National Item Identification Number: 004890294
  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:
 | 137B | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | 4702P12 | 39428 | MCMASTER-CARR SUPPLY CO |   
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  Techincal Specification:
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | IRON BODY |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |   | THREADED INTERNAL PIPE 2ND END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |  | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 1ST END |   | 0.750 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |   | NPT 2ND END |  | NOMINAL THREAD SIZE | 1.000 INCHES 1ST END |   | 0.750 INCHES 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |   | RIGHT-HAND 2ND END |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | INTEGRAL |   
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