1560-00-473-4248 RIB ASSEMBLY Index 4820-00-473-4250 VALVE NON-RETURN

National Stock Number:
4820-00-473-4249

Federal Supply Class:
4820

National Item Identification Number:
004734249

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:
220-2100-1439645ALTCPCV780064NAVAL SHIP SYSTEMS COMMAND
386691PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
386693CSPCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
386693PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
386694PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
386892CSPCV980064NAVAL SHIP SYSTEMS COMMAND
547-59P265PCRELIEFVALVE14921CRAMP SHIPBUILDING AND DRYDOCK CO
386892PCV980064NAVAL SHIP SYSTEMS COMMAND
386983ALT2PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
417-2100-69213PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
417-2100-6921580064NAVAL SHIP SYSTEMS COMMAND
417-2100-69215PCAE3L3M303P3S3Y3-80064NAVAL SHIP SYSTEMS COMMAND
475-2100-70774PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
490297PCRELIEFVALVE80064NAVAL SHIP SYSTEMS COMMAND
547P201PCV914921CRAMP SHIPBUILDING AND DRYDOCK CO
88-D-24471905DERBYSHIRE MACHINE & TOOL CO
701-275PCV981316PORTSMOUTH NAVAL SHIPYARD
759-285PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD
759-417PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD
759-475PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD
765-228PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD
765-417PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD
766-228PCRELIEFVALVE81316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
EXTRA LONG REFERENCE NUMBER417-2100-69215PCAE3L3M303P3S3Y3AND417-2100-69217PCF3
MATERIALSTEEL BODY
MATERIALSTEEL SEAT
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED2.125 INCHES 2ND END
NOMINAL THREAD SIZE2.125 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
OPENING PRESSURE SETTING750.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSELR NO.
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD QUANTITY PER INCH14 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORUN 2ND END


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