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National Stock Number:
4820-01-056-4742
Federal Supply Class:
4820
National Item Identification Number:
010564742
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:
| 1213T-4BB-15 | 91816 | CIRCOR AEROSPACE, INC. | | GV500LJ7 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | FLOW CONTROL DEVICE | PLUG | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | PLASTIC POLYPROPYLENE SEAT | | MATERIAL | STEEL COMP 303 BODY | | MAXIMUM OPERATING TEMP | -40.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 240.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HELIUM SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FIFTH RESPONSE | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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