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		                        | National Stock Number:
 4820-00-492-4746
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004924746
 
 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:
 
 | 622-2 1-4D | 45681 | PARKER-HANNIFIN CORPORATION |  | 622-2-1-4D | 45681 | PARKER-HANNIFIN CORPORATION |  | 622B-2-1/4-2 | 09990 | PARKER-HANNIFIN CORPORATION |  | 9-2446-5 | 45681 | PARKER-HANNIFIN CORPORATION |  | 9-2446-5 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |  | 622-2-1-4D | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |  | 9-2446-5 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | ALUMINUM ALLOY BODY |  |  | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |  | SURFACE TREATMENT | ANODIZE |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |  |  | HYDRAULIC FLUID, PETROLEUM BASE 2ND RESPONSE |  | MAXIMUM OPERATING PRESSURE | 3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |  | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | DISK LOADING METHOD | SPRING |  | ADJUSTABLE PRESSURE RANGE | 10.0 TO 50.0 POUNDS PER SQUARE INCH | 
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