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NSN 4820-01-059-1172

Fuel Manifold Check Valve

About this product

Poppet flow control device, plain (tube) all ends connection style, automatic valve operation method, connection type: unthreaded internal tube all ends.

Manufacturer part number L81400-20MMK for national stock number 4820010591172.

Datasheet

  • Product description

    Check Valve NSN 4820-01-059-1172.

  • MPN or Model

    L81400-20MMK

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.7 lb
  • Flow Control Device
    Poppet
  • Maximum Operating Temp
    400.0 degrees fahrenheit single response
  • Connection Style
    Plain (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal tube all ends
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Outside Diameter Tube Accommodated
    1.250 inches all ends
  • Material
    Aluminum alloy 6061 seat
  • Material Specification
    Qq-a-225/8, alloy 6061, t651 federal specification single material response seat
  • Media For Which Designed
    Fuel/oil, hydrocarbon 2nd response
  • Style Designator
    Straight thru
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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 4820010591172

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
L81400-20MMK Lourdes Industries, Inc.
GV500TC20MMK Northrop Grumman Systems Corporation
GV500TC Northrop Grumman Systems Corporation
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