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		                        | National Stock Number:
 4820-00-775-2401
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007752401
 
 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:
 
 | 1521M6-200 | 09990 | PARKER-HANNIFIN CORPORATION |  | 1521M6-200 | 82271 | PARKER-HANNIFIN CORPORATION |  | Q4600-64 | 05172 | AAI CORPORATION DIV MISSISSIPPI OPERATIONS |  | Q4600-64 | 06659 | TESTEK LLC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | ALUMINUM ALLOY BODY |  |  | ALUMINUM ALLOY SEAT |  | FLOW CONTROL DEVICE | POPPET |  | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |  | CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |  | THREAD CLASS | 3A ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | DISK LOADING METHOD | SPRING |  | ADJUSTABLE PRESSURE RANGE | 50.0 TO 200.0 POUNDS PER SQUARE INCH |  | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | 
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