2805-00-353-7640 ENGINE BLOCK,GASOLINE Index 2920-00-353-7644 PLATE,IGNITION CONTACT BREAKER

National Stock Number:
4820-00-353-7642

Federal Supply Class:
4820

National Item Identification Number:
003537642

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:
225128-199221TAVCO, INC.
74993998897LOCKHEED MARTIN CORP
749939-10398897LOCKHEED MARTIN CORP


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.265 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.265 INCHES SECOND END0.265 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END4 FIRST END
BOLT HOLE QUANTITY4 SECOND END4 SECOND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.250 INCHES SECOND END3.250 INCHES FIRST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.250 INCHES SECOND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.250 INCHES FIRST END
CONNECTION TYPEFLANGE SECOND ENDFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST ENDFLANGE FIRST END
DISK LOADING METHODSPRINGSPRING
FACE TO FACE DISTANCE3.865 INCHES
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNPLAIN SECOND ENDPLAIN FIRST END
FLANGE SHAPERECTANGULAR WITH HOLES FIRST ENDRECTANGULAR WITH HOLES FIRST END
FLOW CONTROL DEVICEDISKDISK
MATERIALALUMINUM ALLOY 384.0 OVERALL
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
NOMINAL LENGTH4.010 INCHES FIRST END4.010 INCHES FIRST END
NOMINAL LENGTH4.010 INCHES SECOND END4.010 INCHES SECOND END
NOMINAL THICKNESS0.185 INCHES SECOND END
NOMINAL THICKNESS0.185 INCHES SECOND END0.185 INCHES FIRST END
NOMINAL WIDTH3.885 INCHES SECOND END3.885 INCHES SECOND END
NOMINAL WIDTH4.010 INCHES FIRST END4.010 INCHES FIRST END
OPERATING PRESSURE120.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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