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National Stock Number:
4820-00-342-4799
Federal Supply Class:
4820
National Item Identification Number:
003424799
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:
| 14023 | 33654 | HOWDEN FLUID SYSTEMS | | 14023 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 16649 | 33654 | HOWDEN FLUID SYSTEMS | | 16649-18 | 33654 | HOWDEN FLUID SYSTEMS | | 16649-18 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 16649 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 7620119 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 SEAT | | MATERIAL | ALUMINUM ALLOY 2024 STEM | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | STEEL CORROSION RESISTING AND SILICON FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | -70.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 450.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | OIL, CHLORINATED TRANSFORMER THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SECOND RESPONSE | | NOMINAL THREAD SIZE | 0.125 INCHES FIRST END | | OPENING PRESSURE SETTING | 26.0 POUNDS PER SQUARE INCH | | VALVE DISCHARGE FLOW RATE | 0.9 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE LOCATION NOT OTHERWISE SPECIFIED | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END |
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