4720-00-485-7821 HOSE ASSEMBLY,NONMETALLIC Index 4720-00-485-7823 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-485-7822

Federal Supply Class:
4820

National Item Identification Number:
004857822

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:
74893477445RTX CORPORATION


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
APERTURE DIAMETER0.239 INCHES MINIMUM AND
0.245 INCHES MAXIMUM
FLOW CONTROL DEVICEPOPPET
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE45.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNS ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES 1ST END
0.438 INCHES 2ND END
THREAD QUANTITY PER INCH18 1ST END
20 2ND END
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL
DISK LOADING METHODSPRING
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE748934


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