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		                        | National Stock Number:
 4820-00-488-6419
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004886419
 
 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:
 
 | 44000273-5 | 06526 | CHALCO-CALIFORNIA CORP DBA CHALCO INDUSTRIES INC |  | 44000273-5 | 7U055 | CANYON ENGINEERING PRODUCTS, INC. |  | 44000273-5 | 81873 | WOODWARD HRT INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL OVERALL |  | FLOW CONTROL DEVICE | BALL |  | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 3890.0 POUNDS PER SQUARE INCH |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 81873 |  | DESIGN CONTROL REFERENCE | 44000273-5 | 
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