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National Stock Number:
4820-00-121-9623
Federal Supply Class:
4820
National Item Identification Number:
001219623
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:
| 4085700-11 | 18355 | THE BOEING COMPANY | | 4085700-11 | 88277 | THE BOEING COMPANY | | S4085700-11 | 18355 | THE BOEING COMPANY | | S4085700-11 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) SECOND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | CONNECTION TYPE | THREADED INTERNAL PIPE SECOND END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | OPERATING PRESSURE | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | SEAT ANGLE | 37.0 DEGREES FIRST END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD QUANTITY PER INCH | 20 FIRST END | | THREAD QUANTITY PER INCH | 20 SECOND END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END |
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