4820-00-270-4494 VALVE,SAFETY RELIEF Index 4510-00-270-4498 FAUCET,SINGLE

National Stock Number:
4820-00-270-4495

Federal Supply Class:
4820

National Item Identification Number:
002704495

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:
FIGA1131 1-2IN14959CRANE CO DIV VALVE DIV
MILV2254981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY AND NICKEL ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY AND NICKEL ALLOY SEAT
MATERIALCOPPER ALLOY AND NICKEL ALLOY STEM
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
OPENING PRESSURE SETTING100.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH14 FIRST END
THREAD QUANTITY PER INCH14 SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
VALVE OPERATION METHODAUTOMATIC OR MANUAL


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