Product Details | CHECK VALVE

4820-00-953-1220 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.

Part Alternates: 5344F, 4820-00-953-1220, 00-953-1220, 4820009531220, 009531220

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-953-1220

Drawings & Photos | NSN 4820-00-953-1220


Cross Reference | NSN 4820-00-953-1220

Part Number Cage Code Manufacturer
5344F 63686 THE WALWORTH COMPANY

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Technical Data | NSN 4820-00-953-1220

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR A2 STRAIGHT THRU
FACE TO FACE DISTANCE 10.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 800.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 6.500 INCHES 1ST END
NOMINAL THICKNESS 0.750 INCHES 1ST END
BOLT HOLE QUANTITY 8 1ST END
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 5.000 INCHES 1ST END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
RAISED FACE NOMINAL HEIGHT 0.062 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER 3.625 INCHES 1ST END
MOUNTING POSITION HORIZONTAL

Restrictions/Controls & Freight Information | NSN 4820-00-953-1220

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information