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		                        | National Stock Number:
 4820-01-244-5770
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012445770
 
 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:
 
 | 30840059 | 05167 | MEGGITT SAFETY SYSTEMS INC |  | 30840059 | 45402 | MEGGITT SAFETY SYSTEMS, INC. | 
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 Techincal Specification:
 
 | END CONNECTION QUANTITY | 3 |  | FLOW CONTROL DEVICE | DISK, PLUG TYPE |  | PROPRIETARY CHARACTERISTICS | PACS |  | SPECIAL FEATURES | END ITEM NSN 2350-01-179-1027 |  | TEMP ADJUSTABILITY | NOT ADJUSTABLE | 
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