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		                             National Stock Number: 4820-01-266-0347
  Federal Supply Class: 4820
  National Item Identification Number: 012660347
  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:
 | 1219997 | 58915 | PNEUMATIC PRODUCTS CORP |  | 803-110 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |   
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