4820-00-306-8099 VALVE,CHECK Index 4820-00-306-8103 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-306-8102

Federal Supply Class:
4820

National Item Identification Number:
003068102

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:
10109251A486GNIMIKKEISTOKESKUS NCB FINLAND
4C2680-299240CRISSAIR INC
ST7M261-876301THE BOEING COMPANY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 630 BODY
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.688 INCHES 1ST END
NOMINAL THREAD SIZE0.719 INCHES 2ND END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD SERIES DESIGNATORUNJS 2ND END
THREAD QUANTITY PER INCH20 2ND END
VALVE OPERATION METHODAUTOMATIC


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