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National Stock Number:
4820-00-740-7112
Federal Supply Class:
4820
National Item Identification Number:
007407112
Description:
VALVE,RELIEF,PRESSURE AND TEMPER
Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
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Manufacturer Information:
| 376269-7 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | FIRST END CONNECTION TYPE | UNTHREADED EXTERNAL HOSE | | FIRST END STYLE DESIGNATOR | BEADED | | FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED | 4.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11, ALLOY 6061, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | ALUMINUM ALLOY 6061 BODY | | MEDIA FOR WHICH DESIGNED | AIR | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | TEMP RATING | -65.0 CELSIUS |
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