1-321-802-5889

NSN 4820-00-857-8247

Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, flared (tube) 1st end connection style, connection type: threaded external tube 1st end.

Manufacturer part number P6-300 for national stock number 4820008578247.

Datasheet

  • Product description

    Check Valve NSN 4820-00-857-8247.

  • MPN or Model

    P6-300

  • 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
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Connection Style
    Flared (tube) 1st end
  • Connection Type
    Threaded external tube 1st end
  • Mounting Position
    Horizontal
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.438 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Aluminum alloy seat
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1 military specification single treatment response
  • Style Designator
    Straight thru
  • Test Data Document
    36659-668455 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
  • Thread Series Designator
    Unf 1st end
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 4820008578247

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P6-300 Circor Aerospace, Inc.
668455-1 Lockheed Martin Corporation
668455 Lockheed Martin Corporation
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