3020-00-328-8179 GEAR,SPUR Index 5307-00-328-8188 BOLT,MACHINE

National Stock Number:
4820-00-328-8180

Federal Supply Class:
4820

National Item Identification Number:
003288180

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:
5121099643EATON AEROSPACE LLC
A51H9190-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H9190-161174NORTHROP GRUMMAN SYSTEMS CORPORATION
HP1207100-170236TACTAIR FLUID CONTROLS INC
HP1207100-184685TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC


Techincal Specification:
CONNECTION STYLEFLARELESS (TUBE) FIRST ENDFLARELESS (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND ENDTHREADED INTERNAL BOSS SECOND END
DISK LOADING METHODSPRINGSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPETPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END0.375 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES FIRST END0.562 INCHES FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END0.562 INCHES SECOND END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES SECOND END18.0 DEGREES FIRST END
VALVE DISCHARGE FLOW RATE2.0 GALLONS PER MINUTE2.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATICAUTOMATIC
SURFACE TREATMENTPAINT LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A FIRST END3A FIRST END
THREAD CLASS3B SECOND END3B SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 FIRST END18 FIRST END
THREAD QUANTITY PER INCH18 SECOND END18 SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND ENDUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


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