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National Stock Number:
4820-00-449-0715
Federal Supply Class:
4820
National Item Identification Number:
004490715
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:
| 10292943-2 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | D559T2M140 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SCREW | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.250 INCHES FIRST END | | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPTF FIRST END |
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