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:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
MATERIALRUBBER SYNTHETIC SEAT
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.563 INCHES ALL ENDS
SEAT ANGLE37.0 DEGREES 1ST END
SPECIAL FEATURESINLET FLOW FROM BOSS END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD SERIES DESIGNATORUNJF ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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