5342-00-469-0337 CLIP SPECIAL Index 4820-00-469-0339 VALVE,CHECK

National Stock Number:
4820-00-469-0338

Federal Supply Class:
4820

National Item Identification Number:
004690338

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:
42452PC3-8 35081316PORTSMOUTH NAVAL SHIPYARD
475-4824-7231680064NAVAL SHIP SYSTEMS COMMAND
475-4824-72316PC3-835080064NAVAL SHIP SYSTEMS COMMAND
487-4105-723231PCV680064NAVAL SHIP SYSTEMS COMMAND
569-487PCV681316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
DISK LOADING METHODSPRING
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL THREAD SIZE0.375 INCHES 1ST END
OPENING PRESSURE SETTING350.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY PAC ADSV AND VALVE SIZE
THREAD QUANTITY PER INCH18 1ST END
THREAD SERIES DESIGNATORNPT 1ST END


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