4820-00-287-2966 VALVE,SAFETY RELIEF Index 4820-00-287-2972 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-2969

Federal Supply Class:
4820

National Item Identification Number:
002872969

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:
10400PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
10400PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
10402PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
10409PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
10409PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
10402PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
1479-1/2IN MPT516497DRESSER, INC.
11409PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
11400PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
11402PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
1471-1-238056ASHCROFT INC
11409PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
11402PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
11400PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
90G5224047COOPER INDUSTRIES INC DBA COOPER TOOLS
9700PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
9702PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
9709PC7324047COOPER INDUSTRIES INC DBA COOPER TOOLS
9900PC7424047COOPER INDUSTRIES INC DBA COOPER TOOLS
9902PC7424047COOPER INDUSTRIES INC DBA COOPER TOOLS
9909PC7424047COOPER INDUSTRIES INC DBA COOPER TOOLS
1542DRL1-238056ASHCROFT INC
90G526X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9702PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9700PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9902PC746X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9900PC746X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9709PC736X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV
9347770142AEROIL PRODUCTS CO INC
19347770142AEROIL PRODUCTS CO INC
9909PC746X081COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+31.0 TO 50.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, NATURAL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM THIRD RESPONSE
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us