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National Stock Number:
4820-00-139-3931
Federal Supply Class:
4820
National Item Identification Number:
001393931
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:
| 67A230B29 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 8819-06 3-4 | 50988 | DYNEX/RIVETT CORP POWER UNITS AND SYSTEMS | | 8819-06 3-4 30 | 50988 | DYNEX/RIVETT CORP POWER UNITS AND SYSTEMS | | 8819-06-3-4-30 | 50988 | DYNEX/RIVETT CORP POWER UNITS AND SYSTEMS |
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Techincal Specification:
| END CONNECTION QUANTITY | 3 | | BODY MATERIAL | STEEL | | BODY STYLE | TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS | | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END STYLE DESIGNATOR | PLAIN | | FLOW CONTROL DEVICE | POPPET | | OPENING PRESSURE SETTING | 3000.0 POUNDS PER SQUARE INCH | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | TEMP ADJUSTABILITY | NOT ADJUSTABLE | | TEMP CONTROL DEVICE TYPE | THERMOSTATIC | | THIRD END RELATIONSHIP WITH PRECEDING ENDS | IDENTICAL WITH FIRST END |
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