4820-01-240-6083 VALVE,CHECK Index 4820-01-240-6085 VALVE,CHECK

National Stock Number:
4820-01-240-6084

Federal Supply Class:
4820

National Item Identification Number:
012406084

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:
1C197899240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEINVERTED FLARE (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END
OPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
SEAT ANGLE24.0 DEGREES ALL ENDS
SPECIAL FEATURESUSED ON C-5B ACFT
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH16 FIRST END
THREAD QUANTITY PER INCH18 SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS


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