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National Stock Number:
4820-00-990-9043
Federal Supply Class:
4820
National Item Identification Number:
009909043
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:
| 10215194 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | HV194 | 15939 | STRATOTECH LLC |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY MATERIAL | ALUMINUM ALLOY,QQ-A-268,ALLOY 2024,T3 | | BODY STYLE | SINGLE CONNECTION STRAIGHT THRU | | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2A | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.875 INCHES NOMINAL | | FIRST END SEAT ANGLE IN DEG | 37.5 | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FLOW CONTROL DEVICE | DISK, PLUG TYPE | | OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 | | MEDIA FOR WHICH DESIGNED | STEAM | | SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-250/4, ALLOY 2024, T3 | | VALVE RELIEF DESIGN TYPE | PRESSURE | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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