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National Stock Number:
4820-00-529-4270
Federal Supply Class:
4820
National Item Identification Number:
005294270
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:
| 3466651-511 | 18355 | THE BOEING COMPANY | | 3466651-511 | 88277 | THE BOEING COMPANY | | A20051 | 81982 | HYDRO-AIRE AEROSPACE CORP |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SCREW | | CONNECTION STYLE | FLARE(TUBE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL TUBE ALL ENDS | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 3700.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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