4820-01-128-4546 VALVE,CHECK Index 4820-01-128-4548 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-128-4547

Federal Supply Class:
4820

National Item Identification Number:
011284547

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:
10124590A486GNIMIKKEISTOKESKUS NCB FINLAND
4C2610-299240CRISSAIR INC
ST7M26176301THE BOEING COMPANY
ST7M261-1076301THE BOEING COMPANY


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.812 INCHES SECOND END
NOMINAL THREAD SIZE0.843 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJS FIRST END
THREAD SERIES DESIGNATORUNJEF SECOND END
THREAD QUANTITY PER INCH18 FIRST END
THREAD QUANTITY PER INCH20 SECOND END


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