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NSN 4820-01-479-8800

Fuel Manifold Check Valve

About this product

Operating pressure to 3000 psig; proof pressure 2 1/2 to 4 times operation pressure; temperature and cracking pressure range -40 to +250 deg feh, 2-4 psig.

Manufacturer part number 249A4BB for national stock number 4820014798800.

Datasheet

  • Product description

    Check Valve NSN 4820-01-479-8800.

  • MPN or Model

    249A4BB

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • Thread Class
    3b all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Gasket seal (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal tube all ends
  • Mounting Position
    Horizontal
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Opening Pressure Setting
    2.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.438 inches all ends
  • Material
    Aluminum alloy 2024 body
  • Media For Which Designed
    Air single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjf all ends
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Check Valve

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.

Mechanic Bill explains Fuel Manifold Check Valve

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NSN 4820014798800

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
249A4BB Circor Aerospace, Inc.
GV500W5 Northrop Grumman Systems Corporation
Stock Check
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