1-321-802-5889

NSN 4820-00-419-9986

Fuel Manifold Check Valve

About this product

1.000 inches 1st end pipe size accommodated, disk flow control device, weight disk loading method, renewable seat ring type: welded.

Manufacturer part number 803-2177525-M553 for national stock number 4820004199986.

Datasheet

  • Product description

    Check Valve NSN 4820-00-419-9986.

  • MPN or Model

    803-2177525-M553

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    76.3 lb
  • Pipe Size Accommodated
    1.000 inches 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Weight
  • Renewable Seat Ring Type
    Welded
  • Connection Style
    Beveled (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Butt weld pipe 1st end
  • Mounting Position
    Horizontal
  • Criticality Code Justification
    Zzzy
  • Material
    Nickel alloy 400 body
  • Style Designator
    Straight thru
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 4820004199986

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-2177525-M553 Naval Sea Systems Command
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