4820-01-112-3893 COCK,DRAIN Index 4820-01-112-3895 VALVE,RESTRICTOR CHECK

National Stock Number:
4820-01-112-3894

Federal Supply Class:
4820

National Item Identification Number:
011123894

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:
4820PL06559899009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
4820PL08151159009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
94934-4-09526044SAF INDUSTRIES LLC
94934A4-09526044SAF INDUSTRIES LLC
6F302099240CRISSAIR INC
6F3020-09599240CRISSAIR INC
94934A409526044SAF INDUSTRIES LLC
C7908A4-4-09581755LOCKHEED MARTIN CORPORATION
C7908A4-4-09599240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 347 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 630 BODY
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS2A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH24 SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD SERIES DESIGNATORUNS SECOND END


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