4820-01-128-4543 VALVE,CHECK Index 4820-01-128-4545 VALVE,CHECK

National Stock Number:
4820-01-128-4544

Federal Supply Class:
4820

National Item Identification Number:
011284544

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:
013001070083533ESSEX INDUSTRIES INC
0130010700-183533ESSEX INDUSTRIES INC
0130010700-376301THE BOEING COMPANY
0130010700-383533ESSEX INDUSTRIES INC
10124588A486GNIMIKKEISTOKESKUS NCB FINLAND


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.562 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
SEAT ANGLE45.0 DEGREES FIRST END
SEAT ANGLE45.0 DEGREES SECOND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END


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