1680-01-476-2081 RING,BACKUP Index 4820-01-476-2083 VALVE,CHECK

National Stock Number:
4820-01-476-2082

Federal Supply Class:
4820

National Item Identification Number:
014762082

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:
CKFX0507850BA92555THE LEE CO


Techincal Specification:
DISK LOADING METHODSPRING
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE OR AMS 5859 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 304 BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING FACILITYTHREADED FASTENER
NOMINAL OUTSIDE DIAMETER0.187 INCHES 1ST END
NOMINAL LENGTH0.640 INCHES 1ST END
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS
SEAT ANGLE45.0 RADIANS 1ST END
SPECIAL FEATURESWSPRING, SPRING POST MATTERIAL CORROSION RESISTING STEEL (CRES) PER AMS 5678; SCREEN MATTERIAL CRES PER QQ-S-768; BRAZE/AMS4774; PIN CRES PER AMS 5643; THREADED NUT CRES PER QQ-S-763C; PIN COATING WAX; SCREEN HOLE SIZE 0.015 INCHES
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSCREW-IN CARTRIDGE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH40 ALL ENDS
THREAD SERIES DESIGNATORUNS ALL ENDS


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