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		                        | National Stock Number:
 4820-00-287-4089
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 002874089
 
 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:
 
 | 00664-0368 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV |  | 1603496 | 50019 | READY POWER CO THE |  | 48SIZE3-8 50PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | 2510 | 93472 | PRECISION INSTRUMENTS INC |  | 664-368 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV |  | 16553 | 93742 | DRS NAVAL POWER SYSTEMS INC |  | B2916 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | FIG48-3-8-50LB | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | FIG48SIZE3-8-50PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |  | EN25-66 | 0CSK6 | WINCO, INC. |  | 70607 | 15434 | CUMMINS INC. |  | A9052 | 46522 | DCM MANUFACTURING, INC. |  | A9052KITAK67 | 46522 | DCM MANUFACTURING, INC. |  | EN25-66 | 77260 | PIERCE CO INC THE SUB OF AVIS INDUSTRIAL CORP | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC OR |  |  | MANUAL |  | MATERIAL | COPPER ALLOY OVERALL |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |  |  | GAS, NATURAL 2ND RESPONSE |  | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE DISCHARGE FLOW RATE | 31.0 CUBIC FEET PER MINUTE |  | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |  | THREAD SERIES DESIGNATOR | NPT ALL ENDS |  | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | BONNET TYPE | EXPOSED SPRING |  | BONNET ATTACHMENT METHOD | THREADED |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH | 
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