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:
MATERIALSTEEL COMP 630 BODY
STEEL COMP 440C FLOW CONTROL DEVICE
SURFACE TREATMENTPASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE45.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNJS 1ST END
UNJEF 2ND END
NOMINAL THREAD SIZE0.843 INCHES 1ST END
0.687 INCHES 2ND END
THREAD QUANTITY PER INCH18 1ST END
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL


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