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National Stock Number:
4820-01-261-2465
Federal Supply Class:
4820
National Item Identification Number:
012612465
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:
| RV05-28-20.0 | 91816 | CIRCOR AEROSPACE, INC. | | ST7M304 | 76301 | THE BOEING COMPANY | | ST7M304D6-20.0 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | ALUMINUM ALLOY BODY | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MINIMUM OPERATING TEMP | -40.0 FAHRENHEIT | | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 18 ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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