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National Stock Number:
4820-01-216-9978
Federal Supply Class:
4820
National Item Identification Number:
012169978
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:
| 2-696 | 40983 | TRW INC TRW MISSION DRILLLING PRODUCTS DIV | | 44-3-01-2-1-2-0 1/2 X 1/2IN | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 44-3-01-2-1-2-0 1/2 X 1/2IN | 52253 | FLUID MECHANICS VALVE COMPANY | | 8618-2PC3 | 13627 | CRYO-CHEM INC | | 8618-2PC3CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
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