4820-01-021-7733 VALVE,CHECK Index 4820-01-021-7735 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-021-7734

Federal Supply Class:
4820

National Item Identification Number:
010217734

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:
4C2850-199240CRISSAIR INC
A15HS017-1077272THE BOEING COMPANY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARELESS 1ST END
CONNECTION STYLEFLARELESS 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY OVERALL
MAXIMUM OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES 1ST END
NOMINAL THREAD SIZE1.062 INCHES 2ND END
NOMINAL THREAD SIZE1.315 INCHES 1ST END
SEAT ANGLE12.0 DEGREES 1ST END
SEAT ANGLE12.0 DEGREES 2ND END
SPECIAL FEATURESTEMP RANGE 65 TO 275 F
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC


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