4820-01-312-1838 VALVE,FLOW CONTROL Index 4820-01-312-1840 VALVE,BALL

National Stock Number:
4820-01-312-1839

Federal Supply Class:
4820

National Item Identification Number:
013121839

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:
630051453711NAVAL SEA SYSTEMS COMMAND
FCLX0504450B92555THE LEE CO


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEPLAIN (TUBE) 2ND END
CONNECTION STYLEPLAIN (TUBE) 3RD END
FURNISHED ITEMS AND QUANTITY2 NUT
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
SEAT ANGLE37.5 DEGREES 1ST END
STYLE DESIGNATORCROSS
THREAD CLASS2A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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