5360-99-581-0171 SPRING,SPECIAL Index 5420-99-581-0190 PLATE,SPECIAL

National Stock Number:
4820-99-581-0176

Federal Supply Class:
4820

National Item Identification Number:
995810176

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:
NC40710/1K0207HALE HAMILTON (VALVES) LIMITED
NC40710/1 PL73703950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
NC40710/1/7373K0207HALE HAMILTON (VALVES) LIMITED


Techincal Specification:
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
NOMINAL THREAD SIZE1.000 INCHES 2ND END
STYLE DESIGNATORANGLE
THREAD CLASS2B 2ND END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUNF 2ND END
CONNECTION TYPETHREADED INTERNAL HOSE 2ND END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
FLOW CONTROL DEVICESTEM
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE4200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE4200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE


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