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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:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | ALUMINUM ALLOY BODY | | STEEL CORROSION RESISTING SEAT | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 4500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNF 2ND END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD QUANTITY PER INCH | 20 1ST END | | 20 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | DISK LOADING METHOD | SPRING | | MOUNTING FACILITY | THREADED FASTENER | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 88277 | | DESIGN CONTROL REFERENCE | S4085700-11 |
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