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NSN 4820-01-143-5346

Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, external seat for gasket seal (boss) all ends connection style, valve operation method: automatic.

Manufacturer part number 249T-6TT-4 for national stock number 4820011435346.

Datasheet

  • Product description

    Check Valve NSN 4820-01-143-5346.

  • MPN or Model

    249T-6TT-4

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.3 lb
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    212.0 degrees fahrenheit single response
  • Connection Style
    External seat for gasket seal (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss all ends
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    20 all ends
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.438 inches all ends
  • Seat Angle
    37.0 degrees all ends
  • Material
    Steel
  • Media For Which Designed
    Oil, hydraulic 4th response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unj 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 4820011435346

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
249T-6TT-4 Circor Aerospace, Inc.
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