4820-00-202-5798 VALVE,SAFETY RELIEF Index 4820-00-202-5807 VALVE,CHECK

National Stock Number:
4820-00-202-5806

Federal Supply Class:
4820

National Item Identification Number:
002025806

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:
10-1472-381205THE BOEING COMPANY
869A8TT91816CIRCOR AEROSPACE, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
ALUMINUM ALLOY BODY LINING
ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
ALUMINUM ALLOY 2024 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
FUEL/OIL, HYDROCARBON 2ND RESPONSE
CARBON DIOXIDE 3RD RESPONSE
ETHYLENE GLYCOL 4TH RESPONSE
ALCOHOL, ETHYL 5TH RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 1ST RESPONSE
180.0 DEG FAHRENHEIT 2ND 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 ACCOMMODATED0.500 INCHES ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL
DISK LOADING METHODSPRING
THE MANUFACTURERS DATA
MANUFACTURERS CODE91816
DESIGN CONTROL REFERENCE869A8TT


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