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		                        | National Stock Number:
 4820-01-524-3503
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 015243503
 
 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:
 
 | 8447-472170-15 | 80070 | LOCKHEED MARTIN CORPORATION | 
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 Techincal Specification:
 
 | END CONNECTION QUANTITY | 2 |  | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |  | PROPRIETARY CHARACTERISTICS | PACS | 
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