5355-01-143-7226 KNOB Index 4820-01-143-7230 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-143-7229

Federal Supply Class:
4820

National Item Identification Number:
011437229

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
FLLX0500810A92555THE LEE CO
FLLX0500810AA78286SIKORSKY AIRCRAFT CORPORATION
FLLX0500810AA92555THE LEE CO


Techincal Specification:
THREAD SERIES DESIGNATORUNJF 1ST END
THREAD SERIES DESIGNATORUNJF 2ND END
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEFLARELESS 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING TEMP80.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.437 INCHES 1ST END
NOMINAL THREAD SIZE0.437 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 2ND END
SEAT ANGLE12.0 DEGREES 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END


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