4820-01-105-9444 VALVE,CHECK Index 5915-01-105-9447 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-105-9446

Federal Supply Class:
4820

National Item Identification Number:
011059446

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:
C105881755LOCKHEED MARTIN CORPORATION
D539T3M191816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 303 AND RUBBER FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, INERT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FOURTH RESPONSE
NOMINAL THREAD SIZE0.375 INCHES FIRST END
OPENING PRESSURE SETTING1.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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