4820-01-045-8707 VALVE,CHECK Index 4820-01-045-8709 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-045-8708

Federal Supply Class:
4820

National Item Identification Number:
010458708

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:
2S259699240CRISSAIR INC
P71-53391816CIRCOR AEROSPACE, INC.
ST7M39876301THE BOEING COMPANY
ST7M398-176301THE BOEING COMPANY
ZE2CV06-176301THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
ALUMINUM ALLOY FLOW CONTROL DEVICE
RUBBER SYNTHETIC SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP300.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
GASKET SEAL (BOSS) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.563 INCHES ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURESINLET FLOW FROM BOSS END


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