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

Check Valve

Model / MPN: 063890 | NSN: 4820-00-288-7477
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
4820-00-288-7477
Sold in multiples of
DEMIL
NO
Pipe Size Accommodated
0.500 inches 1st end
Thread Class
3a 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Cone
Disk Loading Method
Spring
Connection Style
Inverted flare (tube) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal pipe 1st end
Mounting Position
Vertical
Thready Qty Per Inch (tpi)
14 1st end
Thready Qty Per Inch (tpi)
18 2nd end
Thread Size
0.500 inches 1st end
Thread Size
0.562 inches 2nd end
Seat Angle
45.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.375 inches 2nd end
Material
Steel
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
Thread Series Designator
Unf 2nd end

Pricing and Availability

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063890 Cross Reference
  • 1886
  • 1886
  • 0063890
  • 0063890-8
  • 70063890