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National Stock Number: 4820-00-401-1785
Federal Supply Class: 4820
National Item Identification Number: 004011785
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:
10162365 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
FLOW CONTROL DEVICE | DISK, FLAT | MAXIMUM OPERATING PRESSURE | 3.9 POUNDS PER SQUARE INCH | TEMP RATING | -65.0 DEG FAHRENHEIT | | 185.0 DEG FAHRENHEIT | VALVE VENTING DESIGN TYPE | ATMOSPHERIC | BODY STYLE | SINGLE CONNECTION ANGLE FLOW |
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