4820-01-310-7693 VALVE,SAFETY RELIEF Index 4810-01-310-7695 VALVE,BUTTERFLY

National Stock Number:
4820-01-310-7694

Federal Supply Class:
4820

National Item Identification Number:
013107694

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:
1551AS140-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
1551AS140-1CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MIL-I-5221181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2250.0 TO 3000.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CRITICALITY CODE JUSTIFICATIONZZZY
DISK LOADING METHODSPRING
MATERIALSTEEL COMP 316 BODY
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
VALVE OPERATION METHODMANUAL
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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