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National Stock Number:
4820-01-218-3302
Federal Supply Class:
4820
National Item Identification Number:
012183302
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:
| 71010469001 THRU 9011 | 89944 | ELBITAMERICA, INC. | | 71010469006 | 89944 | ELBITAMERICA, INC. | | D559A-4D-52 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | DISK LOADING METHOD | SPRING | | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 280.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 4TH RESPONSE | | MEDIA FOR WHICH DESIGNED | HELIUM 5TH RESPONSE | | MINIMUM OPERATING TEMP | -40.0 FAHRENHEIT | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 52.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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