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NSN 4820-00-066-3909

Fuel Manifold Check Valve

About this product

Disk flow control device, flareless 1st end connection style, automatic valve operation method, connection type: threaded external tube 1st end.

Manufacturer part number 1977091 for national stock number 4820000663909.

Datasheet

  • Product description

    Check Valve NSN 4820-00-066-3909.

  • MPN or Model

    1977091

  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Connection Style
    Flareless 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Mounting Position
    Horizontal or vertical
  • Thread Size
    0.4375 inches 1st end
  • Seat Angle
    24.0 degrees 1st end
  • Criticality Code Justification
    Zzzy
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjf 1st end
  • Reference Number Differentiating Characteristics
    As differentiated by navord od42046
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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 4820000663909

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1977091 Navair And Navsea Managed
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