2915-00-203-9381 VALVE,GATE,AIRCRAFT Index 4820-00-203-9386 VALVE,CHECK

National Stock Number:
4820-00-203-9383

Federal Supply Class:
4820

National Item Identification Number:
002039383

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:
634043-198897LOCKHEED MARTIN CORP
P7-52691816CIRCOR AEROSPACE, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY OVERALL
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
FUEL/OIL, HYDROCARBON 2ND RESPONSE
MAXIMUM OPERATING PRESSURE225.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1.0 POUNDS PER SQUARE INCH


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