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 TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.812 INCHES 2ND END
NOMINAL THREAD SIZE0.843 INCHES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJEF 2ND END
THREAD SERIES DESIGNATORUNJS 1ST END
THREAD QUANTITY PER INCH18 1ST END
THREAD QUANTITY PER INCH20 2ND END
VALVE OPERATION METHODAUTOMATIC


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