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National Stock Number:
4820-01-297-5089
Federal Supply Class:
4820
National Item Identification Number:
012975089
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:
| 0631C0042 | 03538 | LOCKHEED MARTIN CORPORATION | | 0631C0042 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS | | 1147734S | 53669 | APTIV SERVICES 3 (US), LLC | | 467-0046-001 | 88178 | SEISMIC ENGINEERING CO |
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Techincal Specification:
| FLOW CONTROL DEVICE | PLUG | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COPPER ALLOY 260 BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | SPECIAL FEATURES | CARTRIDGE TYPE |
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