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


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