4820-00-071-7998 VALVE,SAFETY RELIEF Index 4820-00-083-1828 COCK,SHUTOFF,SCREW STEM

National Stock Number:
4820-00-073-3480

Federal Supply Class:
4820

National Item Identification Number:
000733480

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:
865756R9192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
868536R9245RP7DRESSTA NORTH AMERICA LTD
NA20669A06721HALDEX BRAKE PRODUCTS CORPORATION
997074R9192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE THIRD END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
MATERIALZINC ALLOY BODY
NOMINAL THREAD SIZE0.250 INCHES THIRD END
NOMINAL THREAD SIZE0.375 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END
SPECIAL FEATURESW/2 ADDITIONAL PORTS,1/4-18 NPT
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT THIRD END
THREAD SERIES DESIGNATORNPT SECOND END


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