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 1ST END
BOLT HOLE NOMINAL DIAMETER0.265 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE QUANTITY4 2ND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.250 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.250 INCHES 2ND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.250 INCHES 1ST END
CONNECTION TYPEFLANGE 2ND END
CONNECTION TYPEFLANGE 1ST END
DISK LOADING METHODSPRING
FACE TO FACE DISTANCE3.865 INCHES
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE FACE DESIGNPLAIN 2ND END
FLANGE SHAPERECTANGULAR WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY 384.0 OVERALL
MAXIMUM OPERATING PRESSURE120.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL LENGTH4.010 INCHES 1ST END
NOMINAL LENGTH4.010 INCHES 2ND END
NOMINAL THICKNESS0.185 INCHES 1ST END
NOMINAL THICKNESS0.185 INCHES 2ND END
NOMINAL WIDTH3.885 INCHES 2ND END
NOMINAL WIDTH4.010 INCHES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
VALVE OPERATION METHODAUTOMATIC


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