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

Check Valve

Model / MPN: 675VP04-1 | NSN: 4820-01-138-6721
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
4820-01-138-6721
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Class
3b 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
280.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
Connection Style
Flared (tube) 1st end
Connection Style
Gasket seal (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal boss 2nd end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Maximum Operating Pressure
600.0 pounds per square inch single response
Thread Size
1.062 inches 1st end
Thread Size
1.062 inches 2nd end
Seat Angle
37.0 degrees 1st end
Material
Aluminum alloy 2024 body
Material Specification
Qq-a-200/3, alloy 2024, ta federal specification single material response body
Media For Which Designed
Air 1st response
Media For Which Designed
Alcohol, ethyl 2nd response
Media For Which Designed
Carbon dioxide 3rd response
Media For Which Designed
Ethylene glycol 4th response
Media For Which Designed
Fuel/oil, hydrocarbon 5th response
Style Designator
Straight thru
Thread Series Designator
Un 1st end
Thread Series Designator
Un 2nd end
675VP04 Series Parts

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675VP04-1 Cross Reference
  • 859A12BT