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Worldwide distributor of NSN parts and consumables located in the USA.

Check Valve

Model / MPN: 5399-003-2IN | NSN: 4820-01-533-7400
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-01-533-7400
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
2.000 inches all ends
Flow Control Device
Disk
Maximum Operating Temp
150.0 degrees fahrenheit 2nd response
Maximum Operating Temp
425.0 degrees fahrenheit 1st response
Connection Style
Socket with brazing ring (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Valve Size
2.000 inches
Maximum Operating Pressure
200.0 pounds per square inch 1st response
Maximum Operating Pressure
400.0 pounds per square inch 2nd response
Material
Copper alloy 922 seat
Material
Copper alloy body
Material
Nickel alloy 400 flow control device or nickel alloy r-405 flow control device
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response seat
Material Specification
Qq-n-281 federal specification single material response flow control device
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Style Designator
Straight thru

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5399-003-2IN Cross Reference