4730-00-489-8217 NIPPLE,TUBE Index 8305-00-489-8219 WEBBING,TEXTILE

National Stock Number:
4820-00-489-8218

Federal Supply Class:
4820

National Item Identification Number:
004898218

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:
2C822499240CRISSAIR INC


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
CONNECTION STYLEFLARED (TUBE) SECOND ENDFLARED (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END
DISK LOADING METHODSPRINGSPRING
FLOW CONTROL DEVICEPOPPETPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-A-250/4,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 SEATALUMINUM ALLOY 2024 BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICEALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES SECOND END0.375 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.562 INCHES FIRST END0.562 INCHES FIRST END
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES SECOND END37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3A FIRST END3A FIRST END
THREAD CLASS3A SECOND END3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD SERIES DESIGNATORUNF SECOND ENDUNF FIRST END
THREAD QUANTITY PER INCH18 FIRST END18 FIRST END
THREAD QUANTITY PER INCH20 SECOND END20 SECOND END


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