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NSN 4820-01-057-3218

Fuel Manifold Check Valve

About this product

Disk flow control device, weight disk loading method, 4 all ends bolt holes, valve operation method: automatic.

Manufacturer part number SS845-2181483AS for national stock number 4820010573218.

Datasheet

  • Product description

    Check Valve NSN 4820-01-057-3218.

  • MPN or Model

    SS845-2181483AS

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flow Control Device
    Disk
  • Disk Loading Method
    Weight
  • Bolt Hole Quantity
    4 all ends
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Mounting Position
    Horizontal or vertical
  • Valve Size
    1.000 inches
  • Maximum Operating Pressure
    300.0 pounds per square inch single response
  • Outside Diameter
    4.875 inches all ends
  • Face To Face Distance
    8.000 inches
  • Thickness
    0.688 inches all ends
  • Bolt Hole Diameter
    0.750 inches all ends
  • Bolt Circle Diameter
    3.500 inches all ends
  • Flange Face Design
    Plain all ends
  • Material
    Steel
  • Material Specification
    Astm a351, grade cf8m assn standard single material response
  • Style Designator
    Straight through flanged 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 4820010573218

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SS845-2181483AS Naval Sea Systems Command
2620-927X11-ASS Electric Boat Corporation
2621-927-11ASSY1C National Oilwell
SS845-2181483ASSY6C-1IN Naval Sea Systems Command
2620-927X11-ASSY6C-1IN Electric Boat Corporation
2621-927-11ASSY1C Electric Boat Corporation
Stock Check
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