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National Stock Number:
4820-01-299-8745
Federal Supply Class:
4820
National Item Identification Number:
012998745
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:
| 4820PL0843193 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5166180-2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | TA333-10-10-R | 08992 | AGM CONTAINER CONTROLS INC | | 798AS106 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 798AS106-2 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 91752474 | F6481 | THALES SA |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | ABSOLUTE PRESSURE SETTING | 2.5 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES | | FIRST END NOMINAL THREAD SIZE | 0.750 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD SERIES DESIGNATOR | NPSM | | FLOW CONTROL DEVICE | DISK, FLAT | | OPERATING PRESSURE | 1.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | MATERIAL | ALUMINUM BODY | | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC | | SURFACE TREATMENT | ANODIZE OUTSIDE |
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