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National Stock Number:
4820-00-331-3537
Federal Supply Class:
4820
National Item Identification Number:
003313537
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:
| 1634 | 59375 | RGI INC | | 65A81C1037 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | P66-673 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS 3RD RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.250 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD QUANTITY PER INCH | 18 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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