4820-01-021-8371 VALVE,CHECK Index 4810-01-021-8373 VALVE,BUTTERFLY

National Stock Number:
4820-01-021-8372

Federal Supply Class:
4820

National Item Identification Number:
010218372

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
4C2858-299240CRISSAIR INC
A15HS017-577272THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY OVERALL
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLEFLARELESS 1ST END
FLARELESS 2ND END
SEAT ANGLE12.0 DEGREES 1ST END
12.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES 1ST END
0.500 INCHES 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.875 INCHES 1ST END
0.750 INCHES 2ND END
THREAD CLASS3A 1ST END
3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL
DISK LOADING METHODSPRING
SPECIAL FEATURESTEMP RANGE 65 TO 275 F
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE77272
MFR SOURCE CONTROLLING REFERENCEA15HS017-5


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