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NSN 4820-01-261-4122

Fuel Manifold Check Valve

About this product

Modified with restrictor hole size 0.040in..

Manufacturer part number 640-1122-001 for national stock number 4820012614122.

Datasheet

  • Product description

    Check Valve NSN 4820-01-261-4122.

  • MPN or Model

    640-1122-001

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Connection Style
    Flared (tube) all ends
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded external tube all ends
  • Mounting Position
    Horizontal
  • Thread Size
    0.750 inches all ends
  • Seat Angle
    37.0 degrees all ends
  • Material
    Stainless steel seat
  • Style Designator
    Cross
  • 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 4820012614122

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
640-1122-001 Rockwell Collins, Inc.
640-1122 Rockwell Collins, Inc.
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