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National Stock Number:
4820-00-131-1671
Federal Supply Class:
4820
National Item Identification Number:
001311671
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:
| 10687324 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | P4-309 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | END CONNECTION QUANTITY | 1 | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2A | | FLOW CONTROL DEVICE | ANY ACCEPTABLE | | FURNISHED ITEMS | NUT AND WASHER | | MATERIAL | PLASTIC BODY | | VALVE RELIEF DESIGN TYPE | PRESSURE | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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