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National Stock Number: 4820-01-152-7709
Federal Supply Class: 4820
National Item Identification Number: 011527709
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:
| 12312039 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | FURNISHED ITEMS | GASKET AND NUT AND WASHER | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FLOW CONTROL DEVICE | DISK, CIRCULAR | | MATERIAL | ALUMINUM ALLOY BODY | | MEDIA FOR WHICH DESIGNED | AIR | | OPERATING PRESSURE | 1.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AND 2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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