4820-00-858-0476 COCK,POPPET DRAIN Index 4820-01-381-4464 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-296-4827

Federal Supply Class:
4820

National Item Identification Number:
012964827

Description:
VALVE,BLEEDER,HYDRAULIC SYSTEM

Detail:
A METALLIC, THREADED, SCREW-SHAPED ITEM USED IN HYDRAULIC BRAKE CYLINDERS, HYDRAULIC POWER UNITS, MISSILE LAUNCHING HYDRAULIC SYSTEMS, AND THE LIKE, FOR THE PURPOSE OF PROVIDING A MEANS OF RELEASING AIR FORM AND/OR FLUSHING A HYDRAULIC SYSTEM. IT MAY BE FURNISHED WITH OR WITHOUT A DUST CAP. EXCLUDES SPRING LOADED OR AUTOMATIC TYPE AIR PRESSURE RELIEF VALVES, AND BOLT, FLUID PASSAGE.


Manufacturer Information:
1V744311083CATERPILLAR INC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION TYPETHREADED INTERNAL TUBE 2ND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
PROPRIETARY CHARACTERISTICSPACS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.375 INCHES 2ND END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD CLASS2B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END


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