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:
MATERIALALUMINUM ALLOY 2024 BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ALUMINUM ALLOY 2024 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-A-250/4,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
FLARED (TUBE) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
0.312 INCHES 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
0.500 INCHES 2ND END
THREAD QUANTITY PER INCH18 1ST END
20 2ND END
THREAD CLASS3A 1ST END
3A 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING


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