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		                        | National Stock Number:
 4820-01-242-1054
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012421054
 
 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:
 
 | 101355 | 11331 | WILLIAMS CONTROLS INC | 
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 Techincal Specification:
 
 | DISK LOADING METHOD | SPRING |  | CONNECTION TYPE | FLANGE ALL ENDS |  | FLANGE FACE DESIGN | PLAIN ALL ENDS |  | FLANGE SHAPE | ROUND ALL ENDS |  | FLOW CONTROL DEVICE | POPPET |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL OUTSIDE DIAMETER | 2.250 INCHES ALL ENDS |  | SPECIAL FEATURES | 2.070 IN. LG; USED ON 2320-01-177-5167 POWER UNIT |  | VALVE OPERATION METHOD | AUTOMATIC |  | STYLE DESIGNATOR | DROP-IN CARTRIDGE | 
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