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		                        | National Stock Number:
 4820-00-728-6504
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007286504
 
 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:
 
 | 1580 | 06177 | PNEUDRAULICS, INC. |  | 1580-1 | 06177 | PNEUDRAULICS, INC. | 
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 Techincal Specification:
 
 | VALVE OPERATION METHOD | AUTOMATIC |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE DISCHARGE FLOW RATE | 7.0 GALLONS PER MINUTE |  | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL TUBE 2ND END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  |  | UN 2ND END |  | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |  |  | 0.875 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 18 1ST END |  |  | 16 2ND END |  | THREAD CLASS | 3B 1ST END |  |  | 3A 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  |  | RIGHT-HAND 2ND END |  | DISK LOADING METHOD | SPRING |  | ADJUSTABLE PRESSURE RANGE | 1400.0 TO 2300.0 POUNDS PER SQUARE INCH |  | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 06177 |  | DESIGN CONTROL REFERENCE | 1580 | 
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