1650-00-657-3696 VALVE,CHECK Index 4810-00-657-3719 SEAT,VALVE

National Stock Number:
4820-00-657-3697

Federal Supply Class:
4820

National Item Identification Number:
006573697

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:
1R3643-28-3026044SAF INDUSTRIES LLC


Techincal Specification:
APERTURE DIAMETER0.050 INCHES NOMINAL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEFLARED (TUBE) FIRST END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALRUBBER SYNTHETIC PACKING
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END
SPECIAL FEATURES2.969 IN. OVER-ALL LG,1.000 IN. ACROSS FLATS
SEAT ANGLE37.0 DEGREES FIRST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD QUANTITY PER INCH20 FIRST END


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