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National Stock Number: 4820-01-243-0039
Federal Supply Class: 4820
National Item Identification Number: 012430039
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:
14720-201 | 94756 | THE BOEING COMPANY | 14720-201-1 | 94756 | THE BOEING COMPANY |
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Techincal Specification:
FURNISHED ITEMS | CAP AND CHAIN AND WASHER | PROPRIETARY CHARACTERISTICS | PACS |
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