4720-00-288-0547 HOSE,AIR DUCT Index 4720-00-288-0551 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-288-0548

Federal Supply Class:
4820

National Item Identification Number:
002880548

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:
2C647299240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEFLARELESS ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 440C,COND A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MOUNTING POSITIONVERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
SEAT ANGLE24.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
THREAD QUANTITY PER INCH20 FIRST END


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