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NSN 4820-01-129-5558

Fuel Manifold Check Valve

About this product

Poppet flow control device, flared (tube) all ends connection style, automatic valve operation method, connection type: threaded external tube all ends.

Manufacturer part number 4C2680-1 for national stock number 4820011295558.

Datasheet

  • Product description

    Check Valve NSN 4820-01-129-5558.

  • MPN or Model

    4C2680-1

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Maximum Operating Temp
    450.0 degrees fahrenheit single response
  • Connection Style
    Flared (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal
  • Thready Qty Per Inch (tpi)
    18 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.843 inches 1st end
  • Seat Angle
    45.0 degrees all ends
  • Material
    Steel comp 630 body
  • Media For Which Designed
    Fuel/oil, hydrocarbon single response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-s-5002 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjs 1st end
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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 4820011295558

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
4C2680-1 Crissair, Inc.
ST7M260-8 Boeing Company, The
10124603 Nimikkeistokeskus Ncb Finland
ST7M260 Boeing Company, The
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