4310-00-274-1339 RING,PISTON Index 5306-00-274-1350 BOLT,MACHINE

National Stock Number:
4820-00-274-1349

Federal Supply Class:
4820

National Item Identification Number:
002741349

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:
282-4900-801776PCV1880064NAVAL SHIP SYSTEMS COMMAND
43835PC1T01281316PORTSMOUTH NAVAL SHIPYARD
4824-158796PC1-4-21080064NAVAL SHIP SYSTEMS COMMAND
4824-158796PC1-4-23580064NAVAL SHIP SYSTEMS COMMAND
4824-934713PC1T01280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALCOPPER ALLOY AND NICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END
OPENING PRESSURE SETTING235.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED IN REPLY TO PAC ADSV ACLG AND ACMN
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 FIRST END
THREAD QUANTITY PER INCH18 SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
VALVE OPERATION METHODAUTOMATIC


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