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National Stock Number:
4820-01-066-9448
Federal Supply Class:
4820
National Item Identification Number:
010669448
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:
| 872151 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 87215A | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | P15-249-23 SET25 | 91816 | CIRCOR AEROSPACE, INC. | | P15-249-25 | 91816 | CIRCOR AEROSPACE, INC. | | P15-249-25 SET25 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE | | MATERIAL | ALUMINUM ALLOY SEAT | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END |
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