4820-00-083-1255 VALVE,ANGLE Index 4820-00-083-1258 DISK,VALVE

National Stock Number:
4820-00-083-1256

Federal Supply Class:
4820

National Item Identification Number:
000831256

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.


Manufacturer Information:
128SCH136-726512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCH136-779RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
A9012281982HYDRO-AIRE AEROSPACE CORP


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STEEL CORROSION RESISTING STEM
SURFACE TREATMENTANODIZE
FLOW CONTROL DEVICEPOPPET
VALVE DISCHARGE FLOW RATE32.0 GALLONS PER MINUTE
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
THREAD SERIES DESIGNATORUNJ 1ST END
NOMINAL THREAD SIZE1.062 INCHES 1ST END
THREAD QUANTITY PER INCH12 1ST END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
BONNET TYPEPACKING RETAINING
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING3560.00 POUNDS PER SQUARE INCH


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