4820-01-336-0220 VALVE,CHECK Index 4810-01-336-0222 VALVE,BUTTERFLY

National Stock Number:
4820-01-336-0221

Federal Supply Class:
4820

National Item Identification Number:
013360221

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
1582AS10730003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
1582AS107-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (TUBE) 1ST END
CRITICALITY CODE JUSTIFICATIONFEAT
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALRUBBER SILICONE CLASS Q BODY LINING
NOMINAL THREAD SIZE0.250 INCHES 1ST END
SPECIAL FEATURESCLEAN AND PACKAGE FOR OXYGEN SERVICE PER 30003 1552AS201
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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