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:
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 303 BODY
STEEL COMP 303 AND
RUBBER FLOW CONTROL DEVICE
STEEL COMP 303 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE BODY
AISI 303 ASSN STD SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
GAS, INERT 2ND RESPONSE
HYDROGEN 3RD RESPONSE
REFRIGERANT 12 4TH RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
NOMINAL THREAD SIZE0.375 INCHES 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP


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