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NSN 4820-00-457-3627

Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, flareless all ends connection style, valve operation method: automatic.

Manufacturer part number 498-4D1-2 for national stock number 4820004573627.

Datasheet

  • Product description

    Check Valve NSN 4820-00-457-3627.

  • MPN or Model

    498-4D1-2

  • 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.)
    0.1 lb
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    200.0 degrees fahrenheit single response
  • Connection Style
    Flareless all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.438 inches all ends
  • Seat Angle
    12.0 degrees all ends
  • Outside Diameter Tube Accommodated
    0.250 inches all ends
  • Material
    Steel comp 304 flow control device and steel comp 303 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
  • Material Specification
    Fed standard 66, aisi 304/sae 3034 federal standard 1st material response flow control device and federal standard 66, aisi 303/sae 30303 federal standard 2nd material response flow control device
  • Media For Which Designed
    Fuel/oil, hydrocarbon 2nd response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 2 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unf all 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 4820004573627

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
498-4D1-2 Parker-hannifin Corporation
498-4D1-2 Teledyne Industries Inc
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