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National Stock Number:
4820-01-343-0439
Federal Supply Class:
4820
National Item Identification Number:
013430439
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:
| 845-6556172 ITEM 1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-6556172 ITEM 1L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-6556172 ITEM 1SS | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-6556172-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-6556172-1L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-6556172-1SS | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FLOW CONTROL DEVICE MATERIAL | COPPER ALLOY | | FLOW CONTROL DEVICE | PLUG | | MEDIA FOR WHICH DESIGNED | WATER, SALT | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | | SEAT MATERIAL | COPPER ALLOY |
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