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National Stock Number:
4820-00-122-2361
Federal Supply Class:
4820
National Item Identification Number:
001222361
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:
| 2175709 | 18355 | THE BOEING COMPANY | | 2175709 | 88277 | THE BOEING COMPANY | | 2230410 | 18355 | THE BOEING COMPANY | | 2230410 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) FIRST END | | CONNECTION STYLE | PLAIN (PIPE) SECOND END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 23.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY SEAT | | MATERIAL | ALUMINUM ALLOY STEM | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES FIRST END | | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES SECOND END | | NOMINAL THREAD SIZE | 1.312 INCHES FIRST END | | NOMINAL THREAD SIZE | 1.625 INCHES SECOND END | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 45.0 DEGREES FIRST END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | NPT SECOND END | | THREAD SERIES DESIGNATOR | UN FIRST END | | THREAD QUANTITY PER INCH | 10 SECOND END | | THREAD QUANTITY PER INCH | 12 FIRST END |
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