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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 TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | ALUMINUM ALLOY 2024 SEAT | | MATERIAL | ALUMINUM ALLOY 2024 STEM | | MATERIAL | STEEL CORROSION RESISTING AND SILICON FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | -70.0 FAHRENHEIT 1ST RESPONSE | | MAXIMUM OPERATING TEMP | 450.0 FAHRENHEIT 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 30.0 POUNDS PER SQUARE INCH 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | OIL, CHLORINATED TRANSFORMER 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS 2ND RESPONSE | | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END | | OPENING PRESSURE SETTING | 26.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE DISCHARGE FLOW RATE | 0.9 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC |
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