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National Stock Number:
4820-01-438-9221
Federal Supply Class:
4820
National Item Identification Number:
014389221
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:
| 7M304 | 76301 | THE BOEING COMPANY | | 7M304S2N1400C | 76301 | THE BOEING COMPANY | | RV05-64-140.0 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL COMP 303 BODY | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE RESPONSE | | MINIMUM OPERATING TEMP | -40.0 FAHRENHEIT | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | USED IN OXYGEN SYSTEM APPLICATION;TO BE CLEANED I.A.W.MIL-C-81302 | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES LOCATION NOT OTHERWISE SPECIFIED | | SURFACE TREATMENT | PASSIVATE LOCATION NOT OTHERWISE SPECIFIED | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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