4820-00-852-5444 VALVE,PRESSURE RELI Index 4820-00-852-5446 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-852-5445

Federal Supply Class:
4820

National Item Identification Number:
008525445

Description:
VALVE,RESTRICTOR CHECK

Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.


Manufacturer Information:
8193-399643EATON AEROSPACE LLC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66, AISI 416 FED STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 416 BODY
MAXIMUM OPERATING TEMP71.0 CELSIUS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE180.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH20 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJ 1ST END
VALVE OPERATION METHODAUTOMATIC


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