4820-01-129-5557 VALVE,CHECK Index 4820-01-129-5559 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-129-5558

Federal Supply Class:
4820

National Item Identification Number:
011295558

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:
10124603A486GNIMIKKEISTOKESKUS NCB FINLAND
4C2680-199240CRISSAIR INC
ST7M26076301THE BOEING COMPANY
ST7M260-876301THE BOEING COMPANY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MATERIALSTEEL COMP 630 BODY
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE0.687 INCHES 2ND END
NOMINAL THREAD SIZE0.843 INCHES 1ST END
SEAT ANGLE45.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
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
VALVE OPERATION METHODAUTOMATIC


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