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NSN 4820-00-867-2666

Fuel Manifold Check Valve

About this product

W/drain port per ms33649-4.

Manufacturer part number A51P9145-1 for national stock number 4820008672666.

Datasheet

  • Product description

    Check Valve NSN 4820-00-867-2666.

  • MPN or Model

    A51P9145-1

  • 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.)
    0.8 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    4 2nd end
  • Maximum Operating Temp
    470.0 degrees fahrenheit single response
  • Connection Style
    Flared (tube) 1st end
  • Width
    2.380 inches 2nd end
  • Length
    2.380 inches 2nd end
  • Valve Operation Method
    Automatic
  • Flange Shape
    Rectangular with holes 2nd end
  • Connection Type
    Threaded external tube 1st end
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    12 1st end
  • Maximum Operating Pressure
    85.0 pounds per square inch single response
  • Thread Size
    1.312 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Bolt Hole Diameter
    0.281 inches 2nd end
  • Center To Center Distance Between Bolt Holes Along Length
    1.810 inches 2nd end
  • Center To Center Distance Between Bolt Holes Along Width
    1.810 inches all ends
  • Flange Face Design
    Plain 2nd end
  • Material
    Aluminum alloy
  • Surface Treatment
    Anodize
  • Style Designator
    Straight thru
  • Thread Series Designator
    Un 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 4820008672666

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A51P9145-1 Northrop Grumman Systems Corporation
L57700 Lourdes Industries, Inc.
A51P9145-1 Northrop Grumman Systems Corporation
A51P9145 Northrop Grumman Systems Corporation
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