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		                        | National Stock Number:
 4820-00-570-7351
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 005707351
 
 Description:
 VALVE,SAFETY RELIEF
 
 Detail:
 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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 Manufacturer Information:
 
 | 242B005H01 | 79500 | WESTINGHOUSE ELECTRIC CORP |  | 242B005H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 635PV5 | 98376 | STAR CASES LLC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC OR |  |  | MANUAL |  | MATERIAL | ALUMINUM ALLOY BODY |  |  | STEEL CORROSION RESISTING AND |  |  | PLASTIC FLOW CONTROL DEVICE |  |  | ALUMINUM ALLOY SEAT |  | SURFACE TREATMENT | ANODIZE |  | FLOW CONTROL DEVICE | POPPET |  | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |  | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |  | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | DISK LOADING METHOD | SPRING |  | FURNISHED ITEMS AND QUANTITY | 1 NUT AND |  |  | 1 GASKET | 
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