4720-01-397-7117 HOSE ASSEMBLY,NONMETALLIC Index 4820-01-397-7119 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-397-7118

Federal Supply Class:
4820

National Item Identification Number:
013977118

Description:
VALVE,REGULATING,OXYGEN SYSTEM P

Detail:
A VALVE USED TO AUTOMATICALLY MAINTAIN WITHIN CLOSE LIMITS A PREDETERMINED PRESSURE WITHIN AN OXYGEN SYSTEM REGARDLESS OF THE HIGHER FLUCTUATING OR CONSTANT INLET PRESSURE. THE EXCESS PRESSURE IS BYPASSED TO THE ACCUMULATOR OR RESERVOIR IN LIEU OF PASSING THROUGH THE ENTIRE SYSTEM. IT IS SPECIFICALLY DESIGNED AND/OR CLEANED FOR OXYGEN SYSTEMS. EXCLUDES VALVE, REGULATING, SYSTEM PRESSURE; VALVE REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.


Manufacturer Information:
1828AS12530003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
1828AS125-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
283813-000299657MAROTTA CONTROLS INC


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
CRITICALITY CODE JUSTIFICATIONFEAT
FILTERNOT INCLUDED
FIRST END CONNECTION TYPETHREADED INTERNAL BOSS
FIRST END STYLE DESIGNATORGASKET SEAL
FIRST END THREAD CLASS2B
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEDISK
FURNISHED ITEMSINLET PRESSURE GAGE AND OUTLET PRESSURE GAGE
MANUAL CONTROL METHODLEVER
MATERIAL DOCUMENT AND CLASSIFICATIONKEL-F-81, MINNESOTA MINING AND MFG CO MFR REF SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONKEL-F-81, MINNESOTA MINING AND MFG CO MFR REF SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC PACKING
MATERIALPLASTIC SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM INLET PRESSURE RATING600.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS
OUTLET PRESSURE SETTING500.0 POUNDS PER SQUARE INCH
REGULATION TYPE1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURESCLEAN FOR OXYGEN SERVICE PER MIL-I-52211, METHOD C, LEVEL B, CLASS A
TEMP RATING125.0 FAHRENHEIT NOMINAL
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF FIRST END


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