5985-00-296-9999 SWITCH,RADIO FREQUENCY TRANSMISS Index 4820-00-297-0004 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-297-0002

Federal Supply Class:
4820

National Item Identification Number:
002970002

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:
524T-2MP-1491816CIRCOR AEROSPACE, INC.
885C878P000299971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
885C878P299971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST ENDPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND ENDPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST ENDTHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND ENDTHREADED INTERNAL PIPE SECOND END
DISK LOADING METHODSPRINGSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPETPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SECOND RESPONSE450.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP-70.0 FAHRENHEIT FIRST RESPONSE-70.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, CHLORINATED TRANSFORMER SECOND RESPONSEAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS THIRD RESPONSEOIL, CHLORINATED TRANSFORMER SECOND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END0.250 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END0.250 INCHES SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END0.250 INCHES SECOND END
OPENING PRESSURE SETTING14.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
VALVE OPERATION METHODAUTOMATICAUTOMATIC
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 SECOND END18 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORNPT SECOND ENDNPT FIRST END


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