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National Stock Number:
4820-01-250-1535
Federal Supply Class:
4820
National Item Identification Number:
012501535
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:
| 1206916 | 56232 | LOCKHEED MARTIN CORPORATION | | 559A-6D-2 | 91816 | CIRCOR AEROSPACE, INC. | | 5942645 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 942645 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | ALUMINUM BODY | | SURFACE TREATMENT | ANODIZE | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | ALCOHOL, ETHYL 2ND RESPONSE | | AMMONIA, GASEOUS 3RD RESPONSE | | FUEL/OIL, HYDROCARBON 4TH RESPONSE | | HELIUM 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE | | 280.0 DEG FAHRENHEIT 2ND RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH |
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