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		                        | National Stock Number:
 4820-00-720-0843
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007200843
 
 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:
 
 | F46400-10 | 03990 | INGERSOLL-RAND CO |  | F46400-10 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | STRAIGHT THRU |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 110.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |  |  | 160.0 DEG FAHRENHEIT 2ND RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |  | CONNECTION STYLE | PLAIN (PIPE) 1ST END |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | ANPT 1ST END |  | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 27 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 100.0 POUNDS PER SQUARE INCH |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 04577 |  | DESIGN CONTROL REFERENCE | F46400-10 | 
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