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NSN 4820-00-679-5328

Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, plain, optional end (pipe) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 452-1/4S2-1 for national stock number 4820006795328.

Datasheet

  • Product description

    Check Valve NSN 4820-00-679-5328.

  • MPN or Model

    452-1/4S2-1

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.3 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Plain, optional end (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 2nd end
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    5000.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Material
    Steel comp 440a flow control device
  • Material Specification
    Fed standard 66, aisi/sae 1117 federal standard single material response seat
  • Media For Which Designed
    Fuel/oil, hydrocarbon single response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 federal specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Npt 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 4820006795328

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
452-1/4S2-1 Parker-hannifin Corporation
452-1-4S Teledyne Industries Inc
452-1-4S Curtiss-wright Flow Control
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