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National Stock Number:
4820-01-041-3049
Federal Supply Class:
4820
National Item Identification Number:
010413049
Description:
VALVE,PRESSURE EQUALIZING,GASEOU
Detail:
A VALVE CONSISTING OF A SINGLE DEADWEIGHT LOADED DISK, OR TWO DEADWEIGHT LOADED DISKS EACH WITH A SEPERATE SEAT. IT IS SPECIFICALLY DESIGNED FOR THE RELIEF OF SMALL PRESSURE AND VACUUM CONDITIONS WITHIN A TANK OR OTHER CONTAINER TO OR FROM THE ATMOSPHERE. THE CENTER OF A SINGLE DEADWEIGHT LOADED DISK MAY CONTAIN A SPRING LOADED DISK FORMING AN ADDITIONAL SEAT OR APERTURE. IT MAY BE SPRING LOADED AND/OR EQUIPPED WITH A MANUAL UNLOADER ON EITHER THE PRESSURE OR VACUUM SIDE. EXCLUDE VALVE, VACUUM BREAKING.
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Manufacturer Information:
| 384REVB | 15939 | STRATOTECH LLC | | 582R056 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 582R056H04 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FIRST END THREAD DIRECTION | RIGHT-HAND | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY | | DISK LOADING METHOD | SPRING | | TEMP RATING | 131.0 DEG FAHRENHEIT | | OUTSIDE SURFACE TREATMENT | OXIDE FILM, MIL-C-5541 | | FURNISHED ITEMS | SHIELD | | SEAT MATERIAL | ALUMINUM ALLOY | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FLOW CONTROL DEVICE | POPPET | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC | | MEDIA FOR WHICH DESIGNED | AIR | | BODY MATERIAL | ALUMINUM ALLOY | | FIRST END THREAD CLASS | 2A | | END CONNECTION QUANTITY | 1 | | VALVE RELIEF DESIGN TYPE | PRESSURE |
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